InteractionSiteItem removed
get_mac moved to gui.py from __init__.py
pairwise() moved to manager.py from __init__.py
is_crosslinkable() moved to manager.py from __init__.py
re-usable convenience utilities moved to manager.py from __init__.py
removed not used is_rmf_mol()
get_rmf_viewers() moved to manager.py from __init__.py
is_satisfied() moved to manager.py from __init__.py
hideGroup() and get_group() moved to manager.py from __init__.py
rename get_group() to getGroup()
from sys import platform as _platform moved to gui.py from __init__.py
removed not used get_assembly()