added m2m relation audit - v messy
don't do m2m stuff in audit_pre_save handler
unused hooks
remove debug
save audit on post_add signal
hook this behaviour into post_add & post_clear signals
unused conditional block
this sort of change is called a m2m relation change
ensure empty lists are saved as nulls in db
remove unused conditional blocks
unused dict elements
use a separate var here
update logging
no need to hook into post_save for M2M relations
only allow one of DJANGO_SIMPLE_AUDIT_M2M_FIELDS or DJANGO_SIMPLE_AUDIT_M2M_RELATIONS, never both
Merge pull request #1 from gizmag/log-m2m-relations

Log m2m relations