- Renamed Uri class to Url.
- Renamed setUri and getUri to setUrl and getUrl.
- Added custom Exceptions and ensured that router only throws HttpExceptions.
- Added isAjax method to Request class.
- Added better phpDocs.
- Other minor optimisations.
- Fixed issue with `InputFile` not setting file-name properly.
- Fixed issue with `InputFile` not setting the correct index when
posting certain arrays.
- Made Csrf-token cookie provider more versitile by creating new
`CookieTokenProvider` and `ITokenProvider` classes.
- Strict-checks optimisations.
- Updated documentation to reflect new changes.