Merge pull request #19 from liuggio/master

Coding Standard and Images
GD extension added as a composer dependency
Minor coding standards fixes
Merge pull request #21 from giorrrgio/master

GD extension as a dependancy
Added unit tests for ImageCreator
Merge pull request #23 from toretto460/master

Added unit tests for ImageCreator
Added Unstable Function, created PackageManager
removed empty line
minor CS
added the transformNumberToReadableFormat into the ImageCreator
merged with toretto
Updated Readme
deleted version image
aligned stable image
added new https domain poser.pugx.org
aligned unstable text
rounded images
removed a semicolon
removed the support for 5.3.3
removed the duplicated phpunit config file