- Using node-watch to watch directories or files, exposed with the
  --watch option
- Updated optimist dependency
- Split bin/node-sass into a lib/cli.js and bin/node-sass file, so the
  cli can be required (especially good for testing or extending)

Compiled Win32 - ia32 and x64 precompiled binaries 

Fix includePaths bug

Allow rebuild on Mac

Not sure why, but spawn changes in Node v0.10.x meant that `rebuild.js`
never exited successfully without passing stdio. (#131, #123)

Functionality isn't in the latest libsass

fix segfaults

Segfaulting :'(