Fixes #33: support the debug_info
Un-requiring a semicolon after mixin content blocks.
Getting numbers to print out like canonical Sass.
Initial implementation of @keyframe directives
Handling some BOMs.
Reporting an error on all BOMs except UTF-8.
Merge pull request #93 from enriclluelles/feature/keyframes

Everything seems to work. I'll make a couple of touch-ups myself, and see if the code can be generalized to handle all similarly structured directives.
Merge pull request #89 from dorny/master

Looks good! Sorry for the long delay. I'll probably make some changes later so that source maps and comments aren't mutually exclusive.
Implementing the modulus operator.
Evaling the media-feature expressions in a media query.
Settling on a C-union representation for Sass values.
Function for converting internal Sass nodes to external C structs.
See if this makes realpath work on Windows.
malloc'ing the strings for consistency
Malloc'ing the units in dimensions too.
C-value deallocator, plus a few tweaks.
Setting up the infrastructure for C callbacks.
Tweaking some error handling.
Need to update these config files.
Need to update this guy too.