* New updatecomputecontext.py & mods to callrestapi
* Rename to setcomputecontextattributes.py
* Updates to get and setcomputecontextattributes.py
* Example, and exception handlers for python3
* tidy exception handler up
* Don't pop items fr dict while we iterate over them
* Cut stuff we don't need to make dbg output clearer
* Minor tweaks after debugging
* Set executable bit on new scripts
David Stern