#7 Git.exe may produce errors

[Burov Dmitry]

TGitClient.Commit does not capture error messages, TGitClient does not store them and GUI does not show them as well.

Also would be nice optionally log launch string, like Build tab logs dcc32 command line.
Though it can be intercepted by Process Monitor and such.

However eror output can not be intercepted by tools like that.

Maybe Win32 API OutputDebugString to be used, at least for beginning and {$IfDef DEBUG}