Revised the International class
Revised and improved the Http class

* Applied new naming convention to variables + other small improvements
* Renamed method: getAcceptLanguage() -> getBrowserLanguages()
Improved the International class
Upgraded I18n system to use Locales
Revised and improved the Format class

* Method time(): Improved input recognition algorithm
* Applied new naming convention to variables + Documentation
improvements
* Renamed method: currency() -> money()