rewrote arg parsing, generally improved naming of variables, classes and
functions.
Fixed problem with attacking during segments of movement.  Also fixed
argparse configuration of critter_ids - with type of int and default of
[].
removed adjustments from get_distance
updated status
renamed file
renamed file
major cleanup - reflected in version
specified exactly directories to test to avoid testing dependencies
Updated install instructions and usage
updated install instructions and usage
fixed pathing and imports for tox
initial add - refactored from combatwiz_runner.py
refactored CreatureManager out into separate module