Refactor: move Event and handle traits to lib/Utility.
Fix use of CFileDialog and FileFinder in InputPlugin dialog.
Build debug symbols.
Refactor: encapsulate naked HMODULE in Module.
Serial: hDataReadyEvent is now created in constructor and destroyed in destructor.
winlirc: move the dll load/unload logic into Dll struct.
winlirc: remove unused field from Dll.
winlirc: make InputPlugin dialog use Dll struct.

Also moved Dll struct to its own file from irdriver.h.