add flat parameter to get_groups and get_members
fix typo
add User/Group class as private members
no longer use User attr, use _user from connection
fix import
no longer dynamically import Group, use group class from conn instead
improve repr a bit
minor comment cleanup
use duck-typing hasattr instead of isinstance
rename the restauth_user module to user
rename Group to RestAuthGroup
rename User to RestAuthUser
provide old import paths
doc update
remove compat functions from here, they were never here
fix import paths
shortcut aliases
fix import paths
fix import paths
use direct import tests