- Update parts.py for KSP 1.1.3
- Support Python 2.7 for inclusion as package (still no`__main__()` provided for Python2)
- Give usage hints for bad input data
- Better handling of research nodes / technology tree
- Mark best properties of printed designs with ✔
- Support simultaneous burning of Liquid Fuel Engines and Solid Fuel Boosters, instead of requiring LFE thrust set to 0 when SFBs are burning
- Print exact fuel tank list, instead of printing only total fuel quantity
- Support all kind of Xenon and RCS tanks, also radially mounted ones
- Minor enhancements of API and overall code quality