Added tests for HTTPResponseGlobal
HTTPResponseStream cleanup

Wrote tests
Bugfix
Added more tests for HTTPResponseStream
Changed .gitattributes
Removed deprecated features from TwigService
Fixed AdminSite with latest changes
Changed routes prefix system
Removed names from AdminSite
Route name for static files is now simply the path
Fixed bug in Server when printErrors was false
Fixed bug in URLPattern
TwigService now provides url() and path() functions

url() and path() are usable inside twig templates
Updated AdminSite
RoutesCollection::registerStatisDirectory now returns a Route
Default name for @static route is now the class name
Added basic Git page in AdminSite
Bugfix in TidyResponseFilter
TwigResponseFilter now sets Content-Type

If no other Content-Type is defined, then the TwigResponseFilter will
set it to text/html; charset=utf8
Added more HTML5 tags in Tidy
feature-output branch started

The purpose of this branch is to change the way you write classes which
output some data to the response
Wrote stubs for other output formats
Removed former classes
Moved PlainTextResponseFilter to PlainTextOutput