Docblocks and modifications

Added the Dal and Config component as well as switching all previous
config loading to use the new component. Added docblocks for new methods
and old methods that required them.
Made abstract classes actually abstract

Module_Abstract and Method_Abstract are now abstract PHP classes so that
they can not be autoloaded as modules and/or methods.
Added stub method

Added stub method as defined in Module_Abstract
Removed db type

System now defaults to mysql, support for other systems coming later.
Module specific config example

Added an example for module specific config which will be loaded in
instantiation of the module
Method Result added

Added the Method_Result object for returning values from all Methods