Added demo for #493 issue
Fetch class entry name for zephir_get_internal_ce
Added simple test with memcache class for #493
Skip test if not phalcon ext loaded
Added Phalcon\Mvc\Application prototype for CI test
Load prototypes fix
Regenerate source
Merge pull request #599 from ovr/493_extends_internal_classes

Added demo for #493 issue [w8 DEMO ONLY]