* Added tests for loading and saving remappings in the UI
* Added tests for ApplyRemappings methods
* Moved single key remap validation logic to separate method so that it can be tested
* Added tests for single key remap validation in UI
* Refactored shortcut validation code to be testable
* Added some shortcut validation tests
* Refactored code to be cleaner
* Added tests for action key and modifier key selection and formatted file
* Added tests for selecting None
* Added tests for selecting Null
* Added tests for WinL error
* Added CtrlAltDel tests
* Added tests for MapToSameKey
* Added tests for mapping repeated shortcut
* Fixed const correctness
* Clean up type names with type alias
* Clean up ValidateAndUpdateKeyBufferElement tests and tweak ValidateShortcutBufferElement signature
* Fixed bug when None selected
* Refactored one test as per test case framework
* Cleaned up more tests
* Cleaned up buffer validation tests
* Added tests for KBM Common Helpers and Shortcut