Methods for traversing a list 
Methods for traversing a list 


git-svn-id: https://svn.sable.mcgill.ca/mclab/Project@1630 89b902b4-d83f-0410-b942-89f7a419ffdb

Migrated from Sable/mclab@837106bda4e88a5b99846025ae4860cf005db2a3

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