New get_or_create function added to Tag class. This one depends only on scope and tag_name which are defined for all tags.
New get_or_create function added to Tag class.
This one depends only on scope and tag_name which are defined for all tags.

SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange