[ticket/12] Default value for $languageDir
[ticket/12] Use $packageDir as default instead of $languageDir
Merge pull request #13 from carlo94it/ticket/12

[ticket/12] Default value for $languageDir
Check that 3.1 files do not have a php closing tag

Fix #1
Update readme to composer tool

Fix #6
Comment also applies to local validation
Add minimum validation of CSS files
Merge pull request #16 from nickvergessen/css-file-validation

Add minimum validation of CSS files
Release 1.3.7