Show currentDir when outputting not found error
Merge pull request #518 from am11/master

Interface: Treat source string as Indented Sass
Merge pull request #491 from kevinsimper/master

Show currentDir when outputting not found error
Fix parsing bug with maps with map and lists as key and value
Don't output null values in compress output
Make index() ruby ssas 3.3 compatible
Add support for map-remove $keys... parameter
Remove trailing ; in compressed output
Merge pull request #525 from xzyfer/feat/issue_487

Don't output null values in compress output
Merge pull request #529 from xzyfer/fix/issue_337

Remove trailing ; in compressed output
Remove unnecessary whitespace in compressed rbg/rgba output
Merge pull request #530 from xzyfer/fix/issue_528

Remove unnecessary whitespace in rbg/rgba compressed output
Merge branch 'fix/issue_510' of https://github.com/xzyfer/libsass into xzyfer-fix/issue_510
Merge branch 'xzyfer-fix/issue_510't push origin master
Merge branch 'feat/neated-maps' of https://github.com/xzyfer/libsass into xzyfer-feat/neated-maps
Merge branch 'xzyfer-feat/neated-maps't push origin master
Merge pull request #526 from xzyfer/fix/issue_512

Make index() sas 3.3 compatible
Don't output declarations with null values
Merge commit '9136caf89c6a44689d791e98016c5ed61109c046'
Exports quote and unquote functions for C bindings

Needed to exchange strings with registered functions.