First changes

Removed PEWPEWPEW constant
Changed config file structure
Updated Pew::app() method
Cache class added
More config changes
Small changes to autoload and config
Some more small changes
More changes, next is View
More changes, error page reached (by mistake)
Slight fix for PewError
More changes, getting halfway there
Many changes changes to View
More changes to Pew and Database, added a Registry class and renamed and modified
Request
The same as last time
More changes, this time pretty extensive
Still changing stuff
Small changes, renames and clean-up
Modified the Cache and Markdown classes
Model::find_all returns array always
Added __isset to Cache class
Changes to View and App
Renamed sys folder to pew