- move COM types and guard into independent file and namespace COMHelper because not only dialog, but also other parts also need to use COM related fucntion.
- remove ParserHelper.cpp because it is empty (ParserHelper is header only namespace).
- Add a function fetching LOCALAPPDATA in WinFctHelper.
- add dialog parameter class for dialog helper. prepare to write real dialog popup function.
- refactor file filters class in dialog helper to make it no const syntax conflict.
- improve windows header import prefix and suffix header. remove the barrier limiting headers only can be imported once. fix define preprocessor usage bug.
- move crt warning and errors macro from project settings to internal headers.
- copy IronPad as ExceptionHandler but not adapted to this project.
