Please, please, please: merge 3 patches for win32

[Alexander Belchenko]

Please, Martin, merge 3 critical patches for win32 from my page:
http://bzr.onembedding.com/bzr.win/patches/index.htm

Patch #1 - improved setup on win32
Patch #2 - fix for bug #2918
Patch #13 - fix pywin32-based lock (bzr may hang)

http://bzr.onembedding.com/bzr.win/patches/patch-1.diff
http://bzr.onembedding.com/bzr.win/patches/patch-2.diff
http://bzr.onembedding.com/bzr.win/patches/patch-13.diff

All this patches is very important for win32. Other -- less important.

Alexander