Full Unicode patch with RTL Support & BiDi logic.

This commit is well documented, so no need to tell you my life story.

Full Unicode patch with RTL Support & BiDi logic.

Removed the legacy codePage, normalised to UTF8 (65001).

It also comes with:

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CTRL + C : copy
CTRL + V : paste
CTRL + X : cut
CTRL + Y : redo
CTRL + Z : undo

src/EterPythonLib/PythonWindowManager.h

@@ -126,7 +126,6 @@ namespace UI
 			void		RunIMETabEvent();
 			void		RunIMEReturnEvent();
 			void		RunIMEKeyDown(int vkey);
-			void		RunChangeCodePage();
 			void		RunOpenCandidate();
 			void		RunCloseCandidate();
 			void		RunOpenReading();