add UI ref
improved test to check if we can correctly coerce dbl to U8 (test confirmed)
add new accessors for path -- replacing VI ref
rename
rename
finished updating config, runtime, and tests to use the new mechanism for passing VI refs. This was necessary to ensure we don't drop any references. Use commit and fetch vi ref instead of property nodes, basically.
update UI to use new VI reference functions
Merge pull request #1 from TBDFramework/UIref

U iref