Fixed unit-tests/TagTest.php to pass
add default value as in 1.3 and documentation
Merge branch '2.0.0' of https://github.com/phalcon/cphalcon into 2.0.0
Merge pull request #2482 from karakurihiden/2.0.0-tag

Fixed unit-tests/TagTest.php to pass for 2.0.0
Merge pull request #2484 from kevinhatry/2.0.0

[2.0.0] getTokenKey : add default value as in 1.3 and documentation
Updated Phalcon\Mvc\Model\Query\Builder::groupBy
Cache\Backend\Libmemcached fix bug with options set
Handle the case when _messages is empty in getMessages() and parameter byItemName is false to return an empty messageGroup instead of throwing an exception saying "messages is not iterable".
In phalcon 1.3 the case was cleanly handled.
Adding .zep mask to c files
Using latest Zephir
Adding isResolved to Phalcon\Di\Service
Update memory.zep
Checking exception in Mvc\Dispatcher
Merge pull request #2581 from dimmaq/patch-1

Update memory.zep
Merge pull request #2578 from kevinhatry/2.0.0

Handle the case when _messages is empty in getMessages() and parameter b...
Merge pull request #2570 from ovr/fix_me

Cache\Backend\Libmemcached fix bug with options set
Merge pull request #2473 from dreamsxin/group_2.0.0

Updated Phalcon\Mvc\Model\Query\Builder::groupBy
Using latest Zephir
File validator, post_max_size fix, allowEmpty fix
Session libmemcached adapter, removing duplicate variable