adding tests
diffing between prebuilt and tmp built files
options covered
cleanup test
fixed error in tests configs
more test config fixes
Add em unit support for cssUnit option
Add svgo options support
SVGO options : reverse param order
If cssPath contains a filename return dirname for path.relative function below
Merge pull request #22 from gregori-goossens/add-svgo-option-support

Add svgo options support
Merge pull request #21 from gregori-goossens/add-em-unit-support

Add em unit support for cssUnit option
Merge pull request #23 from gregori-goossens/csspath-with-filename

Prevent an extra "../" in background-image url with cssPath filename option
Merge branch 'master' into tests
stabilizing tests
docs
more docs
more docs
namespace support and fixed auto config.unit bug
added options.svgAttributes and contributing.md