Lie algebras: Type A
liealgebras_1: some updates
liealgebras_1: more fixes
Adding some files
Adding liealgebras to setup.py
Fixing some typos
Adding test_args.py
Adding test_args
Fixing doctests
ACTUALLY fixing doctests
Changed to strict import, seeing if that fixes doctests
Changed class name, fixed doctests
Add description for kwarg 'show' for plot()
Minor rewording of the kwarg 'show' description for plot()
Fixing cartan_type.py
Delete cartan_matrix.py
Fixing the final error in the doctests
Fixing the last doctests error
Changed test_args to reflect new name
Rename type_A.py to type_a.py