untested, but visually I'm liking this
not sure I like the UI jump

the enunm menu jumps between input/output modes
added traceback, to help you catch weirdness.
repr print debug added
it's a bit awkward.. but wahaey :)
-print
i'm not a fan of this, but minus this is imo worse
small fix for turntable / trackball in 3dview ui
Merge pull request #301 from nortikin/EK-node,-w-modes

Ek node, w modes