EmberAPI_Test\Test_clsAPIHTTP

Fixed potential memory leak in unit test class by properly implementing
IDisposable
Merge remote-tracking branch 'upstream/master'
EmberAPI\clsAPINumUtils

- Added method documentation
- Added unit tests
- Re-factored to pass unit tests
EmberAPI\clsAPINumUtils

- Added error reporting on failure to convert, to aid in future
debugging
EmberAPI\clsAPIImages

- Enhanced iDisposable implementation to remove potential memory leaks
EmberAPI\clsAPIFileUtils

- Minor changes to increase debug capability
EmberAPI\clsAPIImages

- Method documentation
- Parameter checking
- Try-catch optimization
- More meaningful error log messages
EmberAPI\clsAPIImageUtils

- Method documentation
- Parameter checking
- Added some using blocks to reduce risk of memory leaks
Merge remote-tracking branch 'upstream/master'
Merge pull request #43 from Dekker500/master

More code improvements