1.3.0

@media bubbling
Support arbitrary entities as selectors
Variadic argument support, see: https://gist.github.com/1933613
Behaviour of zero-arity mixins has changed, see link above.
Allow '@import' directives in any selector
Media-query features can now be a variable
Automatic merging of media-query conditions
Fix global variable leaks
Fix error message on wrong-arity call
Fix an '@arguments' behaviour bug
Fix '::' selector output
Fix a bug when using @media with mixins

1.2.1

Fix imports on browser
Improve error reporting on browser
Fix Runtime error reports from imported files
Fix 'File not found' import error reporting

1.2.0

Mixin guards
New function `percentage`
New `color` function to parse hex color strings
New type-checking stylesheet functions
Fix Rhino support
Fix bug in string arguments to mixin call
Fix error reporting when index is 0
Fix browser support in webkit and IE
Fix string interpolation bug when var is empty
Support '!important' after mixin calls
Support vanilla @keyframes directive
Support variables in certain css selectors, like 'nth-child'
Support @media and @import features properly
Improve @import support with media features
Improve error reports from imported files
Improve function call error reporting
Improve error-reporting
