Add VS2013 Update 2 number.
Print.cpp: Fix the x64 warnings.
Update Scintilla to 3.4.2.
Update Scintilla to v3.4.3.
installer: Update psvince.dll.
installer: remove default options.
src/Helpers.c: move array's limit check first.
Fix a few variable reassignments.
Fix uninitialized variable.
Fix resource leaks.
KeyWords_PS: add `invoke-webrequest`.

http://technet.microsoft.com/en-us/library/hh849901

Close #87.
Partially revert "Fix a few variable reassignments."

This partially reverts commit b2e89111f9201f0205d5b2be13a1efe77f153075.

WDK is old so things start to get weird...

Fixes #89.
Bump copyright year.
Update sign.bat.

I still don't sign the builds though.
Add support for Matlab.