Merge pull request #411 from am11/master

SourceMap: Resolve path w.r.t output directory
Fix stdin
Merge pull request #412 from kevva/stdout

Fix stdin
appveyor configuration
fix syntax error
fix tests and disable msvs warnings
Add stdin test
Merge pull request #413 from kevva/test

Add stdin test
Merge pull request #359 from deepak1556/appveyor_setup

Appveyor setup
Test: Fixes for Windows, see #413 (comment).
Use cross-spawn in tests for Windows compatibility
Merge pull request #414 from kevva/fix-test

Use cross-spawn in tests for Windows compatibility
Code: resolve both map and outFile w.r.t inFile.
Added version flag to CLI
0.9.4-rc1
v0.9.4
Add sass-spec test suite
Add warning when sass-spec directory is not present
v0.9.5-rc1
Updated badges