Merge pull request #4 from browniefed/fixProcessTickWarning

merge from browniefed:fixProcessTickWarning
Release 0.1.2
Update dependencies and update tests.
Fix tests and fix text-replacement to strip out units since lib sass is not converting them to the appropriate units.
Merge pull request #7 from browniefed/upgradeNodeSass

Upgrade node sass
fixed #6 & add test case
Merge pull request #8 from miniflycn/dev

fixed #6 & add test case
Release 0.1.3