The includePaths option is missing from middleware.js

Fix comment.

Improve tests

Adding synchronous option for cases where the callback is called later than required (ie meteor)

With updated win32-64bit binary

Issue #76 build binary for Windows x64

build with node-gyp@0.9.5, node@0.10.3, Visual Studio 11 on Win 8

Allow passing a few useful arguments to node-sass binary

Learn logic

Specifically, a `cwd` and `output_style` so partials can be loaded correctly and we can compress out output