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srarted adding generalized name to node/folder/prog code
to replace specialized  redindant lookup  code
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more movment to generalized obj calls &  name <-> id lookup
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more procedure merging

not tested
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opps typo..
self.objtype cleanup
added more event info
adding more support for Event subscriptions
ProgramClass now refers to parent class' _get_prop()
cleaned up type ( missing quotes ) in ProgramClass
added method to get a program D2D source
sort node/prog iter
up'ed version
Merge branch 'dev'