Ensure we don't create a loop when adding a membership relation and only add a trigger TK_MEMBERSHIP if such a relation was added (hence new and not creating loops). Fixes #94
Ensure we don't create a loop when adding a membership relation and only add a trigger TK_MEMBERSHIP if such a relation was added (hence new and not creating loops). Fixes #94

bbcarchdev/spindle,bbcarchdev/spindle