v0.3.3

Announcement:

• Community consultation period (October 23 - November 7, 2015) to vote on these proposals:
  • Raise minimum PHP requirement to PHP 5.4.0?
  • Remove deprecated classmap.php file?

Enhancements:

• Compiler: add getVariables() and addFeature() API methods

Compatibility:

• Compiler: can pass negative indices to nth() and set-nth()
• Compiler: can pass map as args to mixin expecting varargs
• Compiler: add coerceList(map)
• Compiler: improve @at-root support
• Nested formatter: suppress empty blocks

Internals:

• Parser, Compiler: refactoring sourceParser to sourceIndex to facilitate future caching of parse tree