Removed document root parameter, let the file system figure that out for itself. Sane default value for static domain as well.
Extended String and URL objects.
Implemented compressor abstraction.
Implemented various abstracted cache objects.
Extended / overhauled some stream wrapper methods.
Implemented storage abstraction.
Transform errors and warnings to exceptions.
Replace .gitkeep with README
Install script for PHP zopfli extension.
Removed PATH constant
Overhauled stream wrapper handling
Implemented methods to get one of the various cache objects.
Updated to match new file system interface.