* Fixed file corruption bugs in private storage code.
* Restoring fixed test case.
* Implemented test suite for utils/json.py
* Added new unit test cases for util/json.py
* Dixed formatting nags
* Fixed more nags from the Hound
* Added doc strings to some very short functions
* Fixing lint's complains about my choice of parts of speach. Sigh.
* Moved atomic save operations down into util/json.py so that all benefit.
Added extra clean-up code to ensure that temporary files are removed in
case of errors.
Updated emulated_hue unit tests to avoid errors.
* Apparently 'e' is not allows as a variable name for an exception...
b0b3620b2b