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
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
updating cartan_type to reflect rename
merging