Fixed various variable typos.
Added a constant reference to the Email validator.
Added 2 missing lines to the MVC Router constructor.
\Phalcon\Mvc\Model\Criteria::execute() now actually calls the static `find` method on the model instance.
Replaced a few instances of `__CLASS__` that should have been `get_called_class()` in the \Phalcon\Mvc\Model class.
Fixed a boolean typo in \Phalcon\Mvc\Model::__callStatic().
Removed duplicate code from \Phalcon\Tag::stylesheetLink() (is mentioned in the return statement).
Merge pull request #27 from SidRoberts/various

Various fixes