Global and persistent stmts.
Global and persistent stmts.

git-svn-id: https://svn.sable.mcgill.ca/mclab/Project@254 89b902b4-d83f-0410-b942-89f7a419ffdb

Migrated from Sable/mclab@4912059bd089df92bfe52cd7876cb7796d4fb61a

Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core