Add tap reporter to test targets
Fix make dist target
Fix memory leak with error reporting in json format
Fix memory leak with custom importer not being freed
Fix another memory leak with custom importer
Merge pull request #724 from mgreter/feature/tap-report

Add tap reporter to test targets
Fix possible segfault with strdup (undefined behavior)
Better support for parsing complex ie function values
Merge pull request #743 from xzyfer/fix/ie-keyword-parsing-variables

Better support for parsing complex ie function values
Fix build for mingw and dll linking
Add appveyor for continuous integration on windows
Add project files for Visual Studio Community 2013

Taken from https://github.com/darrenkopp/sassc-win
Credits go to @darrenkopp and @am11
Correctly preserve the unit when doing modulo operations
Special case handling for modulo with interpolants
Merge pull request #744 from xzyfer/feat/better-modulo-handling

Special case handling for modulo with interpolants
Correct output for unary operation on strings
Merge pull request #746 from xzyfer/fix/unary-hydration

Correct output for unary operation on strings
Fix prelexer alternatives for 7 and 8 arguments
Move some modulo handling logic from parser to prelexer
Merge pull request #747 from xzyfer/wip/cleanup-modulo-todos

Fix some recently introduced TODOs