Add PHP 5.5, 5.6 and HHVM to travis config
Merge pull request #98 from JustinHook/travis-php-versions

Add PHP 5.5, 5.6 and HHVM to travis config
Fixed some translation issues

Added some orthographic accents
Fixed sintax error
Merge pull request #99 from fdipilla/master

Fixed some translation issues
add greek translation
Merge pull request #102 from grrnikos/greek-lang

add greek translation
Validation of nested arrays, closes #8
Merge pull request #104 from thinkjson/array-validation

Validation of nested arrays, closes #8
PSR-2 formatting and small updates
Let composer manage version
Validate an array of discrete values
Tests for associative arrays
Merge pull request #105 from thinkjson/foreach-discrete

Validate an array of discrete values
Add test to exhibit error behavior
Fix 'Illegal offset type in isset or empty' warning when a param is an object.

Params can be any data type, but keys can only be integers or strings.
PHP 5.3 compatibility in array syntax
Merge pull request #107 from vandarin/checkAndSetLabel

Check and set label
Fixed the phpunit version constraint
Merge pull request #109 from GrahamCampbell/patch-1

Fixed the phpunit version constraint