Fix small mistake - allow null options
Update alpha 1.4.0
Allow any casing for functions. Fixes #1168
Fix rhino merge error. Fixes #1184
variables in media queries in import statements
Update lib/less/browser.js

Add support to "file:///" url which could be useful using "--disable-web-security" without a web server.
make root slash non greedy
do not pollute the parent scope after mixin call if variable is defined