Coolprop

Highlights:

* The molar mass gets now reset properly - affected mixture calculations with changing concentrations.
* The humid air calculations check the inputs and outputs according to the limits from the publication.
* The isentropic expansion coefficient can now be accessed directly.
* ... and a lot of little bugfixes (see issues)

Issues Closed:

* 1820: Humid air example fails due to new limits
* 1815: molar_mass not getting cleared
* 1811: Humid air properties above 388 K
* 1786: Incompressible docs not building properly
* 1784: Sphinx builder still broken
* 1782: OSX 10.14 builds
* 1778: There are no nightly builds after 2018/11/04
* 1777: Building from the PyPI sdist on Python 3.7 results in compilation errors on macOS
* 1775: Tmin function cannot be evaluated at 0.0 concentration for incomp fluids
* 1763: Mathcad 15 binary builds dropped as of version 6.2
* 1762: IF97 Documentation Page Error
* 1760: Android Wrapper error at 6.2.0 and 6.2.2dev
* 1759: Memory leak in Mathematica interface
* 1758: Build AbstractState object from stored tabular data
* 1756: Issue with incompressible fluid in v6.2.1
* 1753: numpy.core.multiarray failed to import
* 1752: Add fluids to CoolProp if you are using matlab
* 1748: Apostrophe should be escaped in '...' strings or be used in "..." string
* 1745: Surface Tension calculation failing ungracefully
* 1744: Error value Excel on Mac
* 1742: r404a JT valve error
* 1741: Wrapper for OCTAVE-4.x.x 32 bit for Windows
* 1734: Can I access the older 'Props' functions in CoolProp 6
* 1732: Error 53 Excel Wrapper MacBook Issue
* 1731: Will CoolProp contain R513a refrigerant properties in the near future??
* 1724: REFPROP v10.0 enthalpy/pressure look-up bug
* 1717: Coolprop cannot work on local JS
* 1708: calc_phase missing for REFPROP backend.
* 1707: Inconsistency in incompressible backend when getting fluid name()
* 1700: HAPropsSi broken in 6.1.1dev for R(p,T,h)
* 1618: Excel and Python wrapper, HAPropsSI problem with P_w input
* 1601: ValueError: HAProps failed ungracefully with inputs: "W","T",2.7852603934336025e+02,"P",1.0132500000000000e+05,"H",1.4114309647910737e+04
* 1465: Humid air calculations when dry bulb is above freezing but wet bulb is below freezing

Pull Requests merged:

* 1823: Robustify humid air limit checks
* 1814: Feature/docs py3
* 1813: Added limits to the humid air properties, closes 1811
* 1810: Use std::shared_ptr if available in VS
* 1797: Set _phase in REFPROP backend and return it in calc_phase()
* 1791: Add isentropic expansion coefficient
* 1787: Add conda install instructions from conda-forge
* 1783: Feature/recent compilers
* 1773: Make wrapper for LibreOffice an extension
* 1770: Disambiguate IF97 Fluid Names - Water only
* 1767: Add IF97 links to CoolProp homepage and backends page
* 1765: Patch PropsSI for INCOMP fluid with zero mass fraction
* 1761: Free input strings in Mathematica interface
* 1755: Throw sensible error message if single-phase surface tension requested
* 1751: update syntax to julia 1.0

-----
New Features:
* Added a new EoS for heavy water
* Added pre-built wheels for Python 3.6 and Python 3.7
* The MATLAB wrappers have been abandoned in favour of Python-based calls
* Add phase specification to high-level interface
* LabVIEW VIs can now call PropsSI and Props1SI
* Added a wrapper for Android
* ... and a lot of little bugfixes (see issues)
Issues Closed:
* 1682: Coolprop.Coolprop module does not exist
* 1699: Pip Install problem with Ubuntu 18.04 and Python 3.6.3
* 1672: In ODEintegrator, limits are wrong for backwards
* 1662: Wrong results when using INCOMP (incompressible) fluids using high-level interface after importing matplotlib.pyplot
* 1661: install fail with python 3.6 in anaconda for win10
* 1659: More reducing state resetting needed when fractions set
* 1654: Version 6.1 with Python 3.6.1 Anaconda (64-bit)
* 1652: Problem with saturated vapor internal energy calculations with quality/density inputs
* 1649: Cannot cimport CoolProp into cython in python 3.6
* 1647: Parsing of Mixtures depends on LOCALE
* 1630: Predefined mixture cannot have uppercase .MIX
* 1629: Phase envelopes fail for predefined mixtures with REFPROP backend
* 1607: Tabular Backend Fails with HmassP_INPUTS when iphase_twophase Imposed
* 1604: v6.2?
* 1603: Parse out Zero Mass Fraction Components in High-Level Interface
* 1602: hmass() gives strange result after calling update() with PQ_INPUTS in specific case
* 1582: Buildbot update
* 1563: Unify AbstractState's behavior when using HEOS or the tabular interpolations schemes
* 1551: Import of matplotlib.pyplot results in error for mixtures
* 1530: Catch tests failing
* 1455: apply_simple_mixing_rule broken
* 1439: Wrong dam_dtau for Twu
* 1426: UNIFAQ compile errors
* 1422: Ttriple wrong for REFPROP for water
* 1406: StateContainer print fails
* 1396: Formulas are wrong for dichloroethane and ethylene oxide
* 1393: Crash when set_mole_fractions() not called
* 1381: Calling acentric factor with cubic equation
* 1372: inconsistent result with mixture of "Ethylbenzene[0.5]&P-XYLENE[0.5]"<>"ethylbenzene[0.5]&P-XYLENE[0.5]"
* 1371: Get JSON string for fluid at runtime
* 1369: Return 'n/a' REFPROP version when not loaded or supported.
* 1368: segmentation fault when calling get_global_param_string("REFPROP_version") from Python
* 1366: Allow fluids to be provided (and overwritten) at runtime; closes 1345
* 1365: SMath Wrapper refactoring
* 1362: LabVIEW VIs to call PropsSI and Props1SI
* 1361: Re-enable alpha0 mixture derivative tests for cubics
* 1359: Allow for cubic transformations in HEOS multi-fluid model
* 1355: SMath Wrapper refactoring
* 1354: splined properties, _fluid_type and _phase not cleared in AbstractState.h
* 1352: Faulty state update with DmassT_inputs in HEOS backend with specified phase
* 1350: Simulation error when using ExternalMedia in Dymola
* 1348: Allow alpha0 to be provided for cubic EOS
* 1347: Add ability to ignore setup errors for REFPROP mixtures
* 1343: Call git in the dev folder
* 1339: Set a standard departure function through the AbstractState
* 1333: Make it possible to use x[i]=0 in some alpha0 derivatives
* 1329: DO NOT allow for over-writing of departure functions when loading defaults
* 1328: Dmass wrong for saturated states for REFPROP
* 1325: Also export HAProps_Aux to pybind11 interface
* 1324: Figure out problem with linux wheels
* 1323: Added PQ and QT Input Pairs to provide Saturation Values to IF97 Backend
* 1322: Bigger buffer size for Julia wrapper
* 1321: Finally fix phase envelopes again
* 1320: Figure out why catch runs take forever on *nix
* 1319: Fix python windows builds
* 1318: Move entire Emscripten interface into its own file that is included separately
* 1317: Loading HMX.BNC through the DLL yields weird behavior
* 1316: Added configuration options for MSVCRT linking, changed the output di…
* 1314: Android Wrapper
* 1312: First step toward 1310
* 1309: version 6.1.0 not available from pypi
* 1308: Add Trivial Parameter calls to IF97 Backend
* 1307: get_config_string returns nothing in python
* 1306: Typo in CO2+Argon coefficients
* 1305: Fix some warnings in MSVC 2015
* 1304: Parse refprop HMX.BNC file and load coefficients
* 1303: call refprop from coolprop in scilab on linux
* 1302: Export cubic's alpha functions
* 1300: Add criticality_contour_values to pybind11 interface
* 1299: Add config keys to pybind11 interface
* 1298: HAPropsSI H, p, W lookups not working past 5.0.0
* 1296: Add phases enum to pybind11 interface
* 1295: Specify the minimum delta for spinodal tracer as config variable
* 1294: Add parser for HMX.BNC from REFPROP
* 1292: Source zip file on SourceForge is not correct again...
* 1289: Make triple point accessible in HEOS::get_fluid_constant
* 1285: Allow fluids to be overwritten
* 1279: Add phase specification to high-level interface
* 1253: Implement derivatives of alpha0 w.r.t. tau, delta
* 1249: IF97 Error in CoolProp Wrapping for SMath
* 969: Support mixtures with component mole fractions of zero
Pull Requests merged:
* 1675: Let DARWIN build with libc++
* 1666: Make string->float conversion aware of the locale
* 1665: Patches PropsSI imposed phase for backends other than HEOS
* 1660: Update PropsSI() to Parse Imposed Phase Strings on Input Keys
* 1656: Mistake in function 'inline_label' in CoolProp/Plots/Common.py
* 1645: Provide return string from PhaseSI() if phase can't be determined.
* 1609: editorconfig
* 1606: Patch PT_flash() to update _phase with imposed phase, in case it changed
* 1464: Fix a few REFPROP functions; closes 1422
* 1460: Greatly improve the stability of REFPROP mixture calls at saturation …
* 1459: Call SATTP properly when QT inputs are given for REFPROP
* 1458: Actually set the Twu parameters if provided
* 1457: Add ierr checks to calls to SETKTV
* 1450: Fix typo in CoolPropLib.h
* 1449: Move F2K into emscripten_interface.cxx
* 1448: Update the ODE integrator to allow it to integrate backwards
* 1376: Update HumidAirProp.cpp

New features:
- Windows installer for Microsoft Excel
- Added VTPR backend
- Twu and Mathias-Copeman attractive parameters can be set for PR and SRK
- Major improvements to Excel wrapper
- Added EOS for MDM of M. Thol
- Implemented first version of PT flash calculations for two-phase states
- Implemented PT flash for mixtures (not finished)
- Added a pybind11 module for CoolProp
... and a lot of little bugfixes (see issues)

Contributors to this release: ibell, JonWel, jowr, babaksamareh, mikekaganski

1290 : Catch runs should be Release builds
1288 : Actually check if T < Tmelt for p > pmin
1287 : Actually commit new pybind11 submodule
1286 : in phase envelope construction, potential crash
1284 : Make low-level interface accessible through high-level interface in FORTRAN
1283 : Add pure fluid check to VTPR
1282 : Correct typo, see 1270
1281 : Add ability to add HEOS fluids as JSON at runtime
1272 : Solves a bug in VTPR
1271 : Remove possible division by 0, closes 1270
1269 : SatL and SatV of type VTPR too
1268 : Implement fluid_names for cubic backend
1267 : PengRobinson doesn’t pass alpha to SatL and SatV
1266 : Small fixes for VTPR
1264 : Update initialization for VTPR
1262 : Set alpha function in JSON
1261 : Update CMakeLists.txt
1259 : Methanol-water mixture: strange results
1258 : Solves a bug with cubic and mixtures
1257 : Update iPhone compilation docs
1255 : Allow ability to set Twu parameters for cubic EOS (from JSON)
1252 : Implement set_double_array2D
1250 : Implement coefficient derivatives of dYr_dxi in reducing function
1248 : Problem with OSX compilation
1240 : Make psi_plus public
1239 : Shortcut VTPR when pure fluids, solves 1232
1237 : Create an installer for selected Windows wrappers
1235 : Excel 2016 Add-In Updates
1234 : Add the ability to set limits in Consistency plots
1232 : VTPR components with one group
1230 : Allow ability to call REFPROP on OSX
1229 : ConsistencyPlots updates
1227 : Make all functions in DepartureFunction overrridable
1226 : More critical point questions
1222 : Critical point calc failure
1221 : Take more steps in stability evaluator (at least 100)
1220 : Add adaptive integrator code
1219 : Double post_update in update_TP_guessrho
1217 : Peng-Robinson issue with Hydrogen
1215 : Vapour QT_INPUT with VTPR
1214 : Refactor exceptions in CoolPropLib.cpp close 1200
1213 : Add tests for Poling example with UNIFAQ code
1212 : Add derivatives of a*rho with respect to tau,delta,x
1211 : Use aii_term and b0_ii from cubic
1209 : Correct tau derivatives in VTPR
1208 : Correct derivatives of am and test for VTPR
1206 : Segmentation fault when calling get_mass_fractions() with SRK and PR
1204 : Make all functions in reducing function const
1203 : Allow VTPR to pass only names by setting default R_u value
1202 : Better error message when UNIFAQ component cannot be found
1201 : Update MixtureDerivatives.cpp
1199 : dalpha0_dxi is wrong
1198 : Cubic CP
1197 : Cubic QT_INPUTS
1196 : Update CoolPropLib.def
1195 : Merge VTPR
1193 : REFPROP backend is missing acentric factor accessor
1192 : Missing formulas for some HFO
1191 : Linked states need to be updated in copy_k
1190 : Problems running the VB.NET and C wrappers
1189 : Cubic backend broken for PQ calls
1188 : Critical state not copying for cubics
1187 : All critical points destroy density solver
1185 : Add 4th order solver (Halley+)
1184 : Add 4th order alphar derivatives to python
1183 : QT/PQ inputs needs to polish with Newton-Raphson
1182 : Add function to generate rapidjson instance from JSON string
1181 : Add warning about T > Tmax for HS inputs
1180 : CoolProp add-in for Excel not working on re-opened files
1179 : Add derivatives of vr and Tr with respect to beta and gamma
1178 : Android Wrapper Undefined Reference error with latest ndk
1176 : [VTPR] mole fractions must be set before calling set_temperature
1175 : Impose phase for REFPROP in low-level interface
1174 : Update PHP module docs
1172 : Please Help With Java Wrapper
1170 : Incorrect InChI keys
1169 : Issue with PropsSI on Methane-Ethane mixtures
1168 : Volume translation for cubic
1166 : Thermodynamic Properties of R1233zd(E)
1165 : Not erroring if T < Tmin and p > ptriple
1164 : REFPROP doesn’t store mole fractions in phase envelope
1161 : [VTPR] gE/RT needs to be multiplied by RT
1158 : Retrieve phase envelope through high-level DLL
1150 : IF97 backend: Wrong results for cvmass
1148 : Add new EOS for MDM of Thol
1146 : MEXW32 is actually 64-bit and crashes MATLAB
1145 : Re-implement fundamental derivative of gas dynamics
1144 : Repair use of spinodals and cubic backend
1143 : PT inputs for cubics without phase specification
1142 : PQ inputs very slow for cubic backends
1141 : dichloroethane has the wrong CAS
1137 : Nonsensical results for mistaken inputs with INCOMP fluids
1122 : Calculate density with PropsSi in Javascript
1120 : Allow state generation from backend_name() return values
1118 : Fix plots for cases with multiple critical points
1114 : Export set_binary_interaction_double + Julia wrapper improvement
1111 : Improvements to SMath wrapper error handling and some small tweaks
1109 : SMath wrapper: update AssemblyInfo.cs.template
1108 : SMath copyright year outdated
1107 : Allow conditional build of SMath in source tree (fixes 1110)

Pull Requests merged:

1283 : Add pure fluid check to VTPR
1282 : Correct typo, see 1270
1272 : Solves a bug in VTPR
1271 : Remove possible division by 0, closes 1270
1269 : SatL and SatV of type VTPR too
1266 : Small fixes for VTPR
1262 : Set alpha function in JSON
1261 : Update CMakeLists.txt
1258 : Solves a bug with cubic and mixtures
1257 : Update iPhone compilation docs
1239 : Shortcut VTPR when pure fluids, solves 1232
1234 : Add the ability to set limits in Consistency plots
1214 : Refactor exceptions in CoolPropLib.cpp close 1200
1211 : Use aii_term and b0_ii from cubic
1209 : Correct tau derivatives in VTPR
1208 : Correct derivatives of am and test for VTPR
1196 : Update CoolPropLib.def
1195 : Merge VTPR
1114 : Export set_binary_interaction_double + Julia wrapper improvement
1111 : Improvements to SMath wrapper error handling and some small tweaks
1109 : SMath wrapper: update AssemblyInfo.cs.template
1107 : Allow conditional build of SMath in source tree (fixes 1110)
1103 : One small tweak to Props1
1101 : Add error handling to some functions, see 1096
1100 : Allow cmake properly build SMath wrapper
1097 : Set error string in get_parameter_information_string() and fix SMath wrapper : fixes 1096
1093 : Revert part of 763d4ce to solve 1077

New features:
- MathCAD wrapper working again (thanks to Jeff Henning)
- Added binary interaction parameters for more than 400 mixtures
- Added a cubic backend supporting PR and SRK for some calculations
- Added new non-iterative viscosity model for a few refrigerants (especially R32 and R245fa)
- Implemented EOS for HCl, D4, ethylene oxide, and dichloroethane from M. Thol
- ... and a lot of little bugfixes (see issues)

Contributors to this release:
ibell, jowr, henningjp, bilderbuchi, dinojr, mapipolo, Mol3culo, stefann82, arashsk, pypamart, milesabarr, wahlenkus, saha84, EmiCas, Heathckliff, Tom0310, dizzux, davideziviani, paarfi

Issues Closed:
- `1056 <http://github.com/CoolProp/CoolProp/issues/1056>`_ : Added "set_reference_state" wrapper for Mathcad and Updated Example Worksheets
- `1053 <http://github.com/CoolProp/CoolProp/issues/1053>`_ : Align Tmax with REFPROP values
- `1049 <http://github.com/CoolProp/CoolProp/issues/1049>`_ : apply_simple_mixing_rule should be implemented for HEOS instances
- `1048 <http://github.com/CoolProp/CoolProp/issues/1048>`_ : Calling set_binary_interaction_double on AbstractState instance has no effect
- `1047 <http://github.com/CoolProp/CoolProp/issues/1047>`_ : Mathcad Wrapper Updates for CoolProp 5.x and 6
- `1044 <http://github.com/CoolProp/CoolProp/issues/1044>`_ : Manylinux build integration
- `1041 <http://github.com/CoolProp/CoolProp/issues/1041>`_ : Fixed Minor MSVC Compiler Warnings
- `1034 <http://github.com/CoolProp/CoolProp/issues/1034>`_ : Strange behaviour of densities at critical point
- `1033 <http://github.com/CoolProp/CoolProp/issues/1033>`_ : Python builder issues
- `1032 <http://github.com/CoolProp/CoolProp/issues/1032>`_ : Rewrite mixture derivatives tests to use new format
- `1031 <http://github.com/CoolProp/CoolProp/issues/1031>`_ : Fixes STRING conflict between Mathcad library and cppformat
- `1030 <http://github.com/CoolProp/CoolProp/issues/1030>`_ : Add pass-throughs for testing derivatives
- `1029 <http://github.com/CoolProp/CoolProp/issues/1029>`_ : Sphinx builder
- `1028 <http://github.com/CoolProp/CoolProp/issues/1028>`_ : ALTERNATIVE_REFPROP_PATH ignored for predefined mixtures
- `1026 <http://github.com/CoolProp/CoolProp/issues/1026>`_ : Add REFPROP version to REFPROP comparison script
- `1025 <http://github.com/CoolProp/CoolProp/issues/1025>`_ : Phase envelopes construction failing for example in docs
- `1024 <http://github.com/CoolProp/CoolProp/issues/1024>`_ : VLE calcs failing for SRK & PR backends
- `1023 <http://github.com/CoolProp/CoolProp/issues/1023>`_ : AbstractState.update fails for mixtures containing specific refrigerants using REFPROP backend
- `1020 <http://github.com/CoolProp/CoolProp/issues/1020>`_ : Add target_link_libraries to CMakeLists.txt
- `1014 <http://github.com/CoolProp/CoolProp/issues/1014>`_ : Figure out how to make coolprop static library a clean cmake dependency
- `1012 <http://github.com/CoolProp/CoolProp/issues/1012>`_ : Residual Helmholtz energy not work
- `1011 <http://github.com/CoolProp/CoolProp/issues/1011>`_ : Update references
- `1010 <http://github.com/CoolProp/CoolProp/issues/1010>`_ : Derivative of residual Helmholtz energy with delta
- `1009 <http://github.com/CoolProp/CoolProp/issues/1009>`_ : Can't compute densities at the triple point
- `1007 <http://github.com/CoolProp/CoolProp/issues/1007>`_ : 'error: key [Ar] was not found in string_to_index'
- `1006 <http://github.com/CoolProp/CoolProp/issues/1006>`_ : Use c++14 when building on MINGW
- `1005 <http://github.com/CoolProp/CoolProp/issues/1005>`_ : Derivative of the saturation enthalpy cair_sat = d(hsat)/dT
- `1003 <http://github.com/CoolProp/CoolProp/issues/1003>`_ : Fix bug in Chung estimation model
- `1002 <http://github.com/CoolProp/CoolProp/issues/1002>`_ : Add python 3.5 wheel
- `1001 <http://github.com/CoolProp/CoolProp/issues/1001>`_ : DmolarP broken for Air
- `1000 <http://github.com/CoolProp/CoolProp/issues/1000>`_ : Fix setting of BIP function
- `999 <http://github.com/CoolProp/CoolProp/issues/999>`_ : Abbreviate all journal names
- `998 <http://github.com/CoolProp/CoolProp/issues/998>`_ : Refine phase envelope better on liquid side
- `997 <http://github.com/CoolProp/CoolProp/issues/997>`_ : Abbreviate IECR in CoolProp reference
- `996 <http://github.com/CoolProp/CoolProp/issues/996>`_ : Update references for R245fa and R1234ze(E)
- `995 <http://github.com/CoolProp/CoolProp/issues/995>`_ : Check double_equal in CPnumerics.h
- `994 <http://github.com/CoolProp/CoolProp/issues/994>`_ : Find a way to simplify includes
- `993 <http://github.com/CoolProp/CoolProp/issues/993>`_ : Test/Add example for DLL calling from C
- `992 <http://github.com/CoolProp/CoolProp/issues/992>`_ : Fix reference for R1234ze(E) again
- `987 <http://github.com/CoolProp/CoolProp/issues/987>`_ : Multiple EOS paper refs run together
- `986 <http://github.com/CoolProp/CoolProp/issues/986>`_ : Air lookup in Excel v5.1.2
- `982 <http://github.com/CoolProp/CoolProp/issues/982>`_ : Reorganize CoolPropTools.h into smaller modules
- `981 <http://github.com/CoolProp/CoolProp/issues/981>`_ : Saturation states
- `976 <http://github.com/CoolProp/CoolProp/issues/976>`_ : Add high-level functions to Julia wrapper
- `975 <http://github.com/CoolProp/CoolProp/issues/975>`_ : Correct get_parameter_information_string, fixes #974
- `973 <http://github.com/CoolProp/CoolProp/issues/973>`_ : Remove warnings when using Julia 0.4 realease
- `971 <http://github.com/CoolProp/CoolProp/issues/971>`_ : Fix bug in PhaseEnvelopeRoutines::evaluate
- `970 <http://github.com/CoolProp/CoolProp/issues/970>`_ : Props1SI function missing in Mathematica wrapper on OSX
- `968 <http://github.com/CoolProp/CoolProp/issues/968>`_ : Update index.rst
- `967 <http://github.com/CoolProp/CoolProp/issues/967>`_ : SO2 ancillaries broken
- `964 <http://github.com/CoolProp/CoolProp/issues/964>`_ : Update index.rst
- `963 <http://github.com/CoolProp/CoolProp/issues/963>`_ : Update index.rst
- `962 <http://github.com/CoolProp/CoolProp/issues/962>`_ : Update sample.sce
- `960 <http://github.com/CoolProp/CoolProp/issues/960>`_ : Update index.rst
- `953 <http://github.com/CoolProp/CoolProp/issues/953>`_ : Remap CoolPropDbl to double
- `952 <http://github.com/CoolProp/CoolProp/issues/952>`_ : Switch string formatting to use the cppformat library; see #907
- `951 <http://github.com/CoolProp/CoolProp/issues/951>`_ : Allow gibbs as input to first_partial_deriv()
- `950 <http://github.com/CoolProp/CoolProp/issues/950>`_ : Wrong units for residual entropy
- `949 <http://github.com/CoolProp/CoolProp/issues/949>`_ : Fix {} in bibtex to protect title capitalization
- `948 <http://github.com/CoolProp/CoolProp/issues/948>`_ : Update reference for EOS-CG
- `947 <http://github.com/CoolProp/CoolProp/issues/947>`_ : Add Fij to REFPROPMixtureBackend::get_binary_interaction_double
- `945 <http://github.com/CoolProp/CoolProp/issues/945>`_ : Add EOS for R245ca
- `944 <http://github.com/CoolProp/CoolProp/issues/944>`_ : Update reference for R1233ze(E)
- `941 <http://github.com/CoolProp/CoolProp/issues/941>`_ : CoolProp returns same value for p_critical and p_triple for R503
- `937 <http://github.com/CoolProp/CoolProp/issues/937>`_ : Allow ability to get refprop version
- `934 <http://github.com/CoolProp/CoolProp/issues/934>`_ : Memory access violation on mixture update at very low pressures using tabular backend
- `933 <http://github.com/CoolProp/CoolProp/issues/933>`_ : ValueError: Bad phase to solver_rho_Tp_SRK (CoolProp 5.1.2)
- `932 <http://github.com/CoolProp/CoolProp/issues/932>`_ : Fix EOS reference for oxygen
- `931 <http://github.com/CoolProp/CoolProp/issues/931>`_ : Remap CoolPropDbl to double permanently
- `930 <http://github.com/CoolProp/CoolProp/issues/930>`_ : Phase envelopes should be begin at much lower pressure
- `929 <http://github.com/CoolProp/CoolProp/issues/929>`_ : PT should start with Halley's method everywhere
- `928 <http://github.com/CoolProp/CoolProp/issues/928>`_ : Add EOS for HCl, D4, ethylene oxide, and dichloroethane
- `927 <http://github.com/CoolProp/CoolProp/issues/927>`_ : Add ability to use Henry's Law to get guesses for liquid phase composition
- `926 <http://github.com/CoolProp/CoolProp/issues/926>`_ : hydrogen formula is wrong
- `925 <http://github.com/CoolProp/CoolProp/issues/925>`_ : Fix HS inputs
- `921 <http://github.com/CoolProp/CoolProp/issues/921>`_ : Tabular calcs with mixtures often return Dew T< Bubble T using PQ input pair
- `920 <http://github.com/CoolProp/CoolProp/issues/920>`_ : Cant find temperature at pressure and entropy
- `917 <http://github.com/CoolProp/CoolProp/issues/917>`_ : Fix errors in docs
- `907 <http://github.com/CoolProp/CoolProp/issues/907>`_ : Replace string formatting with C++ format library
- `905 <http://github.com/CoolProp/CoolProp/issues/905>`_ : Using conda recipes
- `885 <http://github.com/CoolProp/CoolProp/issues/885>`_ : Duplicate critical points found
- `854 <http://github.com/CoolProp/CoolProp/issues/854>`_ : Coolprop R448A, R449A or R450A
- `816 <http://github.com/CoolProp/CoolProp/issues/816>`_ : Issue with viscosity of R245FA
- `808 <http://github.com/CoolProp/CoolProp/issues/808>`_ : Implement tangent plane distance
- `665 <http://github.com/CoolProp/CoolProp/issues/665>`_ : Viscosity convergence issue
- `279 <http://github.com/CoolProp/CoolProp/issues/279>`_ : Rebuild MathCAD wrapper with v5 support
- `186 <http://github.com/CoolProp/CoolProp/issues/186>`_ : Convert cubics to HE

Pull Requests merged:
- `1062 <http://github.com/CoolProp/CoolProp/pull/1062>`_ : Export first_partial_deriv, see #946 1062
- `1056 <http://github.com/CoolProp/CoolProp/pull/1056>`_ : Added "set_reference_state" wrapper for Mathcad and Updated Example Worksheets
- `1053 <http://github.com/CoolProp/CoolProp/pull/1053>`_ : Align Tmax with REFPROP values
- `1047 <http://github.com/CoolProp/CoolProp/pull/1047>`_ : Mathcad Wrapper Updates for CoolProp 5.x and 6
- `1041 <http://github.com/CoolProp/CoolProp/pull/1041>`_ : Fixed Minor MSVC Compiler Warnings
- `1031 <http://github.com/CoolProp/CoolProp/pull/1031>`_ : Fixes STRING conflict between Mathcad library and cppformat
- `1020 <http://github.com/CoolProp/CoolProp/pull/1020>`_ : Add target_link_libraries to CMakeLists.txt
- `982 <http://github.com/CoolProp/CoolProp/pull/982>`_ : Reorganize CoolPropTools.h into smaller modules
- `981 <http://github.com/CoolProp/CoolProp/pull/981>`_ : Saturation states
- `976 <http://github.com/CoolProp/CoolProp/pull/976>`_ : Add high-level functions to Julia wrapper
- `975 <http://github.com/CoolProp/CoolProp/pull/975>`_ : Correct get_parameter_information_string, fixes #974
- `973 <http://github.com/CoolProp/CoolProp/pull/973>`_ : Remove warnings when using Julia 0.4 realease
- `968 <http://github.com/CoolProp/CoolProp/pull/968>`_ : Update index.rst
- `964 <http://github.com/CoolProp/CoolProp/pull/964>`_ : Update index.rst
- `963 <http://github.com/CoolProp/CoolProp/pull/963>`_ : Update index.rst
- `962 <http://github.com/CoolProp/CoolProp/pull/962>`_ : Update sample.sce
- `960 <http://github.com/CoolProp/CoolProp/pull/960>`_ : Update index.rst
- `953 <http://github.com/CoolProp/CoolProp/pull/953>`_ : Remap CoolPropDbl to double
- `952 <http://github.com/CoolProp/CoolProp/pull/952>`_ : Switch string formatting to use the cppformat library; see #907

New features:
- Android wrapper available
- Javascript interface extended to export AbstractState and some functions
- Fixed a wide range of issues with tables
- ... and a lot of little bugfixes (see issues)

Issues Closed:
- `914 <http://github.com/CoolProp/CoolProp/issues/914>`_ : Tabular ammonia calc yields very different results using TTSE vs. bicubic, including non-physical and NaN quantities
- `909 <http://github.com/CoolProp/CoolProp/issues/909>`_ : Fortran wrapper on Win...still unable to run it!
- `906 <http://github.com/CoolProp/CoolProp/issues/906>`_ : Add DOI for Novec649
- `904 <http://github.com/CoolProp/CoolProp/issues/904>`_ : Deuterium reference has wrong year
- `903 <http://github.com/CoolProp/CoolProp/issues/903>`_ : Some BibTeX keys need updating
- `902 <http://github.com/CoolProp/CoolProp/issues/902>`_ : Trap errors in get_BibTeXKey and throw
- `901 <http://github.com/CoolProp/CoolProp/issues/901>`_ : Viscosity of some incompressibles off by a factor of 100 and 1000
- `899 <http://github.com/CoolProp/CoolProp/issues/899>`_ : Cp, Cv, speed_sound cannot be calculated with QT inputs (Q=0 or 1) and tabular backends
- `897 <http://github.com/CoolProp/CoolProp/issues/897>`_ : Update DEF for new AbstractState functions
- `896 <http://github.com/CoolProp/CoolProp/issues/896>`_ : Tabular refactor
- `894 <http://github.com/CoolProp/CoolProp/issues/894>`_ : License on homepage
- `889 <http://github.com/CoolProp/CoolProp/issues/889>`_ : MSVCP100.dll and MSVCR100.dll dependency issue...
- `888 <http://github.com/CoolProp/CoolProp/issues/888>`_ : Multi-output library function
- `886 <http://github.com/CoolProp/CoolProp/issues/886>`_ : ALTERNATE_REFPROP_PATH ignored in low-level interface
- `882 <http://github.com/CoolProp/CoolProp/issues/882>`_ : Tabular backends and phase specification
- `880 <http://github.com/CoolProp/CoolProp/issues/880>`_ : low-level interface MATLAB using shared library
- `871 <http://github.com/CoolProp/CoolProp/issues/871>`_ : Issues with Cp, Cv, u, and viscosity with QT_INPUTS where Q=0 or 1 (xxx&REFPROP backend)
- `869 <http://github.com/CoolProp/CoolProp/issues/869>`_ : Fix javascript builder on buildbot
- `868 <http://github.com/CoolProp/CoolProp/issues/868>`_ : Fix fortran builds on buildbot
- `865 <http://github.com/CoolProp/CoolProp/issues/865>`_ : Hide tabular generation outputs when debug_level=0
- `859 <http://github.com/CoolProp/CoolProp/issues/859>`_ : Windows wrapper for Octave not working for v 4.0
- `853 <http://github.com/CoolProp/CoolProp/issues/853>`_ : Problem with linking shared libraries using Code::Blocks and CoolProp
- `849 <http://github.com/CoolProp/CoolProp/issues/849>`_ : Tidy up references in online docs
- `848 <http://github.com/CoolProp/CoolProp/issues/848>`_ : PropsSImulti in Python
- `845 <http://github.com/CoolProp/CoolProp/issues/845>`_ : Tabular calculations fail with message "Unable to bisect segmented vector slice..."
- `844 <http://github.com/CoolProp/CoolProp/issues/844>`_ : failure in calculation enthalpy for water
- `843 <http://github.com/CoolProp/CoolProp/issues/843>`_ : Calling AbstractState.update() using Dmass_P input pair causes stack overflow in tabular backends
- `842 <http://github.com/CoolProp/CoolProp/issues/842>`_ : Wrong enthalpy calculation for SES36
- `841 <http://github.com/CoolProp/CoolProp/issues/841>`_ : R1233zd(E) reference
- `840 <http://github.com/CoolProp/CoolProp/issues/840>`_ : Failure to calculate any state using input pair QT_INPUTS with backend TTSE&REFPROP
- `838 <http://github.com/CoolProp/CoolProp/issues/838>`_ : Request: implement a configuration variable to specify directory for tabular interpolation data
- `837 <http://github.com/CoolProp/CoolProp/issues/837>`_ : Exceptions thrown when getting/setting MAXIMUM_TABLE_DIRECTORY_SIZE_IN_GB configuration setting
- `835 <http://github.com/CoolProp/CoolProp/issues/835>`_ : Request: CoolProp.AbstractState.first_saturation_deriv wrapped in CoolPropLib.h
- `831 <http://github.com/CoolProp/CoolProp/issues/831>`_ : Predefined mixtures fail for BICUBIC&REFPROP backend
- `826 <http://github.com/CoolProp/CoolProp/issues/826>`_ : Unit conversion problem somewhere in Bicubic backend for enthalpy
- `825 <http://github.com/CoolProp/CoolProp/issues/825>`_ : PQ_with_guesses assumes bubble point
- `824 <http://github.com/CoolProp/CoolProp/issues/824>`_ : C-Sharp Wrapper AbstractState mole_fractions_liquid
- `823 <http://github.com/CoolProp/CoolProp/issues/823>`_ : Documentation for use of static libraries is unclear
- `822 <http://github.com/CoolProp/CoolProp/issues/822>`_ : Request: PropsSI Inputs of D and Q
- `821 <http://github.com/CoolProp/CoolProp/issues/821>`_ : Fix pip command for nightly
- `820 <http://github.com/CoolProp/CoolProp/issues/820>`_ : Add cmake option to generate Android .so library
- `819 <http://github.com/CoolProp/CoolProp/issues/819>`_ : Expose phase envelope calculations in javascript
- `814 <http://github.com/CoolProp/CoolProp/issues/814>`_ : saturated_liquid/vapor_keyed_output for tabular backend
- `812 <http://github.com/CoolProp/CoolProp/issues/812>`_ : Add ability to retrieve mass fractions
- `810 <http://github.com/CoolProp/CoolProp/issues/810>`_ : Python builds crash on Windows
- `809 <http://github.com/CoolProp/CoolProp/issues/809>`_ : Implement fluid_param_string in python
- `807 <http://github.com/CoolProp/CoolProp/issues/807>`_ : Return all critical points
- `805 <http://github.com/CoolProp/CoolProp/issues/805>`_ : Coolprop function like Refprop Excel Fluidstring Function for mixtures
- `804 <http://github.com/CoolProp/CoolProp/issues/804>`_ : Allow disabling parameter estimation in REFPROP
- `802 <http://github.com/CoolProp/CoolProp/issues/802>`_ : Error with two-phase DT inputs for R134a
- `800 <http://github.com/CoolProp/CoolProp/issues/800>`_ : Add access to contributions to viscosity and conductivity
- `799 <http://github.com/CoolProp/CoolProp/issues/799>`_ : Add access to conformal state solver in AbstractState
- `798 <http://github.com/CoolProp/CoolProp/issues/798>`_ : Add linear and Lorentz-Berthelot mixing rules
- `796 <http://github.com/CoolProp/CoolProp/issues/796>`_ : Add SATTP guess implementation
- `795 <http://github.com/CoolProp/CoolProp/issues/795>`_ : Provide swigged MATLAB wrapper code
- `793 <http://github.com/CoolProp/CoolProp/issues/793>`_ : Set interaction parameters in REFPROP through CoolProp
- `792 <http://github.com/CoolProp/CoolProp/issues/792>`_ : Allow possibility to set interaction parameters even if the mixture isn't already included
- `789 <http://github.com/CoolProp/CoolProp/issues/789>`_ : Make sure all phases are calculated correctly for BICUBIC&HEOS backend
- `788 <http://github.com/CoolProp/CoolProp/issues/788>`_ : Make sure all phases are calculated correctly for HEOS backend
- `786 <http://github.com/CoolProp/CoolProp/issues/786>`_ : Implement conductivity for pentanes
- `785 <http://github.com/CoolProp/CoolProp/issues/785>`_ : Implement viscosity for Toluene
- `784 <http://github.com/CoolProp/CoolProp/issues/784>`_ : Add docs for get/set config functions
- `783 <http://github.com/CoolProp/CoolProp/issues/783>`_ : Failure in PsychScript
- `777 <http://github.com/CoolProp/CoolProp/issues/777>`_ : No input passed with PT_INPUTS and tabular backed
- `776 <http://github.com/CoolProp/CoolProp/issues/776>`_ : Fix docs for IF97 backend
- `773 <http://github.com/CoolProp/CoolProp/issues/773>`_ : Missing files in LabVIEW wrapper folder or documentation needed
- `772 <http://github.com/CoolProp/CoolProp/issues/772>`_ : Acentric factor of air
- `770 <http://github.com/CoolProp/CoolProp/issues/770>`_ : Make clear() overridable / clear Helmholtz cache
- `769 <http://github.com/CoolProp/CoolProp/issues/769>`_ : Improve docs for second partial derivatives
- `768 <http://github.com/CoolProp/CoolProp/issues/768>`_ : Fix solver for first criticality contour crossing
- `767 <http://github.com/CoolProp/CoolProp/issues/767>`_ : When tracing criticality contour, make sure that delta is always increasing
- `764 <http://github.com/CoolProp/CoolProp/issues/764>`_ : Add `calc_speed_sound` to tabular backend
- `763 <http://github.com/CoolProp/CoolProp/issues/763>`_ : Add and implement all phase functions to tabular backends
- `762 <http://github.com/CoolProp/CoolProp/issues/762>`_ : Temperature with `HmassP_INPUTS` with twophase fluid and tabular
- `761 <http://github.com/CoolProp/CoolProp/issues/761>`_ : Add auto-generated docs for configuration variables
- `760 <http://github.com/CoolProp/CoolProp/issues/760>`_ : Add `surface tension` to tabular backend
- `759 <http://github.com/CoolProp/CoolProp/issues/759>`_ : Add comprehensive docs for REFPROP interface
- `757 <http://github.com/CoolProp/CoolProp/issues/757>`_ : Cannot evaluate PT (or PH?) below p_triple
- `756 <http://github.com/CoolProp/CoolProp/issues/756>`_ : HAPropsSI does not converge for T= 299.8 K
- `754 <http://github.com/CoolProp/CoolProp/issues/754>`_ : Failure with sat derivative with QT and tables
- `753 <http://github.com/CoolProp/CoolProp/issues/753>`_ : Relative humidity calculation error
- `751 <http://github.com/CoolProp/CoolProp/issues/751>`_ : D-P is far slower than it should be
- `750 <http://github.com/CoolProp/CoolProp/issues/750>`_ : Invalid index to calc_first_saturation_deriv in TabularBackends
- `747 <http://github.com/CoolProp/CoolProp/issues/747>`_ : Plotting example on coolprop.org does not work - potentially related to issue #351
- `746 <http://github.com/CoolProp/CoolProp/issues/746>`_ : Implement viscosity models for HFO (ECS?)
- `745 <http://github.com/CoolProp/CoolProp/issues/745>`_ : Undocumented high level interface for saturation derivatives
- `742 <http://github.com/CoolProp/CoolProp/issues/742>`_ : Expedite the D+Y flash routines
- `741 <http://github.com/CoolProp/CoolProp/issues/741>`_ : Expedite the single-phase T+Y flash routines
- `740 <http://github.com/CoolProp/CoolProp/issues/740>`_ : HapropsSI("T", "B", 299.15, "R", 0, "P", 101325) lead to an error
- `739 <http://github.com/CoolProp/CoolProp/issues/739>`_ : Quality-related updates with tabular backend
- `738 <http://github.com/CoolProp/CoolProp/issues/738>`_ : TTSE ranges
- `737 <http://github.com/CoolProp/CoolProp/issues/737>`_ : Missing bib entry IAPWS-SurfaceTension-1994
- `735 <http://github.com/CoolProp/CoolProp/issues/735>`_ : phase is wrong for water at STP
- `734 <http://github.com/CoolProp/CoolProp/issues/734>`_ : F is missing from mixture interaction parameters on the web
- `733 <http://github.com/CoolProp/CoolProp/issues/733>`_ : Typo in excess term in mixture docs
- `731 <http://github.com/CoolProp/CoolProp/issues/731>`_ : Add EOS for Novec 649 from McLinden
- `730 <http://github.com/CoolProp/CoolProp/issues/730>`_ : Merge references from paper about CoolProp into main bib file
- `727 <http://github.com/CoolProp/CoolProp/issues/727>`_ : HapropsSI("T", "B", 299.15, "R", 0, "P", 101325) lead to an error
- `726 <http://github.com/CoolProp/CoolProp/issues/726>`_ : Improve caching of derivative terms when using mixtures
- `725 <http://github.com/CoolProp/CoolProp/issues/725>`_ : Implement dipole moment