SpiceyPy 3.1.0

[3.1.0] - 2020-05-25

Added

• added irfnam, irfnum, irfrot, irftrn
• added kpsolv, kepleq
• better exceptions, many hundred spice toolkit defined exceptions
• copy button to docs codeblocks
• added CSPICE_SRC_DRI envvar override to specify cspice src directory during install
• added CSPICE_SHARED_LIB envvar override to specify cspice.so/.dll/.dylib during install

Changed

• switch to codecov for code coverage
• various support type changes
• renamed getspice.py to get_spice.py

Fixed

• fixed missing doc strings for callbacks

Removed

• coveralls
• test cmd class in setup.py
• direct references to deprecated numpy matrix class