Sportran

Second release candidate of **SporTran 1.0.0**.
Includes improvements to the documentation, the API, and minor bug fixes (see 60).

**Full Changelog**: https://github.com/sissaschool/sportran/compare/v1.0.0rc1...v1.0.0rc2

- extensive testing and documentation with sphinx
- generic interface to custom currents and units
- name changed to sportran
- this version is uploaded to pypi (`pip install sportran`)

The *Graphical User Interface* is finally here!

- `thermocepstrum-gui` (Python 3 only)
- many bug fixes and improvements