Fix line feeds.
Start proper versioning.
Fixed documentation
Merge pull request #44 from mateuszgachowski/master

Fixed documentation
Introduced new Engine class.

Core functionality has been moved to a namespaced Engine class. The
existing Flight class is now just a static pass-through to the Engine class.
Also fixed autoloading and initialization issues.
Merge remote-tracking branch 'origin/master'
Cleaned up initialization process.
Added example for new Engine class.
Fixed issue with 304 caching. Fixed PHP 5.3 compatibility.
Removed caching from halt method.
Remove duplicates from loader directories.
Updated handling of subdirectories and redirects.
Updated check for base_url.
Added section about configuration values.
Merge remote-tracking branch 'upstream/master'