Restore commit previous commit: a5b13b232ec8803aa94d58bee47055375af6fc0d - addAttr/setEnums now accept strings, lists, or dicts for setting enums
nodetypes: add stripUnderworld flag to DependNode.nodeName(), and default it to true.  This removes the underworld prefix (the node prior to ->) from nodeName().
bugfix to previous commit
bugfix to previous commit
system: Lazy cache namespace in ReferenceEdit's.