2.0.0-beta

• Updates minimum PHP version from 5.3 to 5.3.7, potentially a backwards incompatible change for users of PHP >= 5.3 but <= 5.3.6.
• Updates README.md
• Updates composer.json with metadata additions and changes

1.1.0-beta

• Fixes Decorator pattern implementation flaw
• Adds StorageInterface and StorageDecorator

1.0.0-beta

Adds .travis.yml