Fix getpid warning

include <process,h> and use _getpid
Fix Message box

convert to win32 native chars
fix longint < intptr_t warnings

Handle printf mess
win32 headers

winsock should be tested before windows.h
cplint path

give yap.dll path to cplint
type mess in mingw32/MSYS

int or mode_t?
MSYS32
improve mkwin script
Fix merge

get corrected indent
Merge branch 'master' of https://github.com/vscosta/yap-6.3