Pisces

* Python 3 support!
* No more Python 2 support
* Add the ability to target a database and tables in a config file (see util.load_config).

* Change package name to "pisces" instead of "pisces-db"
* Add Antelope Datascope schema/tables.

Changes

* `pisces.util.get_tables`, `pisces.util.make_tables`, and
`pisces.util.get_or_create_tables` are deprecated and will raise a warning.
* `pisces.request.get_waveforms` now has a `tol` keyword that will raise an
exception if any returned waveform is not within `tol` seconds from the
requested starttime/endtime.
* Added `--bbfk` flag to `pisces sac2db`, which uses the broadband f-k (BBFK)
convention of reading x, y array offset distances in the USER 7, 8 SAC
header variables and storing them Site.dnorth and Site.deast.
* Windows support! Thanks to mitchburnett! e1 and convert C libraries now
build (using MSVC).
* Automated testing on Mac OSX, Linux, and Windows 7, for Python 2.7 and 3.4,
thanks to Travis CI and Appveyor.
* Require ObsPy > 1.0

Bug fixes

* Fixed sac2db wfdisc.foff (issue 12) and wfdisc.dir (issue 11) handling.

Bug fixes

* Default `wdisc.calib` value is 1, not -1.
* `foff` value in `sac2db` is 632 instead of 634 (Issue 12)
* `dir` entry in `sac2db` will be `.` instead of empty if relative paths are
requested. (Issue 11)

New Features

* Add new command-line interface, `pisces`, which offers the `sac2db` and
`mseed2db` subcommands, for building a database from a collection of files.

Changes

* Add Click library as a dependency, to support new command line interface.
* Bump the required SQLAlchemy version to at least 0.9.

Bug fixes

* Fix "s3" datatype conversion on little-endian architectures (Issue 9).
* Allow Python protected keywords to be used as column names (Issue 4).
* Fix string stripping in `pisces/io/sac.py`