Add more API and some bugs fix

[HongThatCong]

1. Trim trailing spaces some source files
2. speakeasy\windows\common.py: add a space
3. speakeasy\windows\win32.py: check handler in self.veh_handlers, align some parameters
4. speakeasy\winenv\api\api.py: fix bug in below functions:
   • read_mem_string
   • read_ansi_string
   • read_unicode_string
5. speakeasy\winenv\api\usermode\advapi32.py: add RegisterServiceCtrlHandlerEx API function
6. speakeasy\winenv\api\usermode\kernel32.py: add below API functions
   • RtlMoveMemory
   • RemoveVectoredExceptionHandler
   • WaitForSingleObjectEx
   • GetProfileInt
7. speakeasy\winenv\api\usermode\ntdll.py: add below API functions and fix bug
   • RtlNtStatusToDosError
   • RtlMoveMemory
   • LdrGetProcedureAddress: fix bug
8. speakeasy\winenv\api\usermode\sfc.py: add this file and SfcIsFileProtected API function
9. D:\Git\speakeasy\speakeasy\winenv\api\usermode\shlwapi.py: add below API functions:
   • PathRemoveFileSpec
   • PathAddBackslash
   • PathRenameExtension

Tks and best regards, @williballenthin

[williballenthin]

outstanding fixes, thank you @HongThatCong !