Bump package.json version to 2.0.1

Merge pull request sass#664 from am11/master

Package: Updates libsass verion

README: Adds info about info(). 😺

1.2.3

1.2.2

1.2.1

Merge pull request sass#516 from am11/master

Install: Bind to specific binaries commit

1.1.4

1.1.3

1.1.2