Pynucastro

* add functions to numerically evaluate the Jacobian (467)

* Fix C++ compilation with partition functions and approximate
rates and derived rates (407, 494)

* The Explorer class now takes all of the options as
RateCollection.plot() (496)

* Rates edges can be highlighted via a user-defined function in the
RateCollection plot (486)

* All of the plot routines in RateCollection now return a
matplotlib Figure object (490)

* add get_rate_by_nuclei and add_rate to Library() (484)

* RateCollection.remove_rates() can now act on a single rate and a
new method, add_rates(), will add a rate directly to the
collection.

* Fixed printing of TabularLibrary (479)

* Documentation updates (473)

* added get_rate_by_name to RateCollection (468)

* added tabular rates to PythonNetwork (451)

* fixed NSE state for network without protons (463)

* Fix the installation of the C++ templates via setup.py (460)

* Fix some setup.py metadata for PyPI (453)

* Change how tabular rate tables are stored and read (450)

* Support historical ReacLib format (449)

* Added a method to get a rate by short name: A(x,y)B (438)

* Added the option to show rate links hidden by ydot <
ydot_cutoff_value (436)

* Added a TabularLibrary (429)

* Moved validate into RateCollection (433)

* renamed StarKillerCxxNetwork to AmrexAstroCxxNetwork (426)

* Fixed formatting of tabular rate strings (421)

* Fixed normalization of colorbar in grid_plot (424)

* Added the ability to plot neutrino loss for tabular rates (422)

* Added support for partition functions in C++ networks (404)

* NSE solver now can return chemical potentials (415)

* Add spins to NSE calculatons (405)

* Separate the Coulomb calculation from the NSE screening, make it
switchable (398, 380)

* Fixed StarKillerCxxNetwork output directory (400)

* Added Potekhin screening (385)

* Added screening to python networks (383)

* Numba accelerated screening (373)

* Fixed C++ approximate rate screening (384)

* Added RateCollection remove_rates() (368), and allow
remove_rates to operate on dictionary keys (375)

* Added NSE solver (339, 364, 377)

* added find_unimportant_rates method (367, 369, 374)

* added spins to partition functions (371)

* Split rate up into several classes, including ReacLibRate (362)
and TabularRate (360)

* added partition function support to python networks (358)

* fixed definition of inverse rate for symmetric screening (363)

* Moved Nucleus into nucdata (346)

* Added screening to RateCollection (344)

* Added approximate rate support to C++ (333)

* C++ networks now hardcode the coefficients in a function to
compute the rates instead of storing a metadata table that is
read at runtime (329)

* the Rate class now knows how to make its function string in
python and C++ (328)

* C++ networks now have a std::vector<std::string> of rate names
(326)

* support for Fortran networks was removed (324)

* numerous optimizations (263, 264, 321, 331)

* a DerivedRate class was added (272)

* approximate rate support was added to python networks (316, 315, 313, 271)

* energy generation was added to python networks (301)

* support for inert nuclei was added (307)

* the ability to disable rates in C++ networks was added (304, 290)

* methods for finding reverse rates were added (303)

* a method to find neutrino loss energy from tabulated rates was added (302)

* the ability to run without Numba was added (300)

* weak rate table units in the header were fixed (297)

* python nuclei variable indices now begin with 'j' (296)

* python implementations of screening were added (281)

* the network chart plot was added (202)

* a rate filter for the network plot was added (187)

* the Explorer class was expanded to have more options (251)

* the rate plot now returns a matplotlib Figure object (231)

* added the ability to modify rate products (252)

* allow for the edges between nodes to be curved (257)

* add a RatePair object that groups forward and reverse rates (212)

* updated the ReacLib rate library (248)

* added nuclear spin tables (238)

* added partition function tables (241, 204)

* a Nucleus no knows its binding energy (220)

* many improvements to C++ output (246, 214, 185, 183)

* added a diff method to a Library (194)

* fixed rate sorting so it is more deterministic (216)

* added forward() and backward() methods to Library (207)

* added a default ReacLibLibrary function (206)

* added a validate() method for a library to find potentially
important missing rates (188, 172)

* added a method to get the number of rates in a library (173)

* add a method to remove a rate from a library (199)

* libraries are now sorted when printed, with more information
shown (195, 168)

* added a symmetric screening option (178)

* a "rotated" plot type for the network structure was added (161)

* versioning is now managed by setuptools_scm (158)

* added support for C++ StarKiller / AMReX Microphysics networks
(152, 151, 149)

* centralized sympy code generation and removed common
subexpression support from network generation (145)

* added an example on integrating a python network