Add UserDefaults command, beginning with NSString first.
Add int, bool, float, get entire defaults, remove item for key, add change event notifier.
Update README.md
Add systemIdleTime.
Update documentation.
Add macgap namespacing for security.
Updated README.md
Add convertDictToJSON utility function.
Clean up index.html
Change prefix to 'macgap_' (instead of 'macgap.')
Update documentation to reflect new namespacing requirement.
Add getter for the app's library path.
Modify User Defaults handling; no longer attempt to return everything, as not all values can be serialised.
Switch to using shared Utils convertDictionaryToJSON.