Updating classes to use __new__ instead of init
Adding Weyl group functionality
Adding docstrings and doctests
Fixing an error and adding test_args
Fixed trailing whitespaces
Merging with master
Merged
Adding test_args
Fixing print statement
Actually adding test_args
Fixing a typo in test_args
Adding a space to cartan_type
Merge pull request #2456 from meclark256/weyl_group

Weyl group