bulkInsert has been improved, so some methods where now redundant and removed.
Huge code reordering. BP::Model was holding too many classes which were almost ready to live outside
Switched from BP::Model::dccNamespace to BP::Model::Common::dccNamespace
validateAndEnactEntry body has migrated to its natural place, BP::Model::Concept, where it is going to be developed. It has also been renamed to validateAndEnactInstances.