Make iterator of SBTreeRIDBag resettable
Merge remote-tracking branch 'nuvolabase/rid-set-sbtree' into rid-set-sbtree
Allow external modifications of RidBag during iteration by iterator
Revert deletion of OLazyWrapperIterator
Merge remote-tracking branch 'nuvolabase/rid-set-sbtree' into rid-set-sbtree
RidBag: Test for tracking rid changes
Merge remote-tracking branch 'nuvolabase/rid-set-sbtree' into rid-set-sbtree
RidBag: Fixed bugs with tracking not valid rids