url(r'^$', 'index', name='group-list'),
url(r'^(\w+)/$', 'home', name='group-home'),
url(r'^(\w+)/directory/?$', 'directory', name='group-directory'),
+ url(r'^(\w+)/add/([a-zA-Z0-9\.]+)$', 'membership_add', name='membership-add'),
url(r'^(\w+)/delete/([a-zA-Z0-9\.]+)$', 'membership_delete', name='membership-delete'),
)