allow filter scope with joins Fixes #43
allow filter scope with joins
Fixes #43

DynamoMTL/spree_wombat,ledbury/spree_wombat,spree/spree_wombat,surfdome/spree_wombat,Pixelbash/spree_zapier,3drobotics/spree_wombat,spartansystems/spree_wombat