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

Node v0.10.0

Response to Issue 65

Changed the default file name for generated CSS files from nodesass.css
to <originalfilename-without-scss>.css.

Now it should be possible to use globbing and get all generated files in
ones current working directory:

./path/to/node-sass path/to/styles/*.scss

generates all CSS files named like their SCSS counterparts.

Canon libsass

Use a wrapper to store the callback info and the context, this way we
can use the unmodified libsass