Fix error in header parsing

When a header contains "Location: http://www.google.fr/", the location is not parsed in the header list
Merge pull request #146 from ogarbe/master

Fix error in header parsing
Session Dostroy compatible with Phalcon 1.3

From Phalcon 1.3 Phalcon\Session\AdapterInterface is compatible with SessionHandlerIterface so to works with 1.3.0 destroy method must have parameter $session_id
Fix memcache destory for Phalcon 1.3.0
Update Mongo:destroy() for Phalcon 1.3.0
Merge pull request #147 from nexik/patch-1

Session Dostroy compatible with Phalcon 1.3
Uses type hinting
Documentation fixes
Merge pull request #148 from bohdan4ik/master

Minor fixes
Improve MongoDB Session Adapter

- improve performance: prevent multiple findOne() on read() and write()
- improve performance: do not write, if session data did not change
- improve performance: use session_id() as _id to use index
- implement garbage collection
- fix doc block
- streamline variable names
Implement \SessionHandlerInterface
Do not implement \SessionHandlerInterface to keep compatibility with PHP 5.3
Merge pull request #149 from fabfuel/master

Improve MongoDB Session Adapter
Twig: fix getSecurityToken/TokenKey not working

php error is: Using $this when not in object context in <b>/[..]/app/incubator/Mvc/View/Engine/Twig.php</b>
Twig: added function url(route)
Merge pull request #150 from maxgalbu/patch-1

Twig: multiple fixes + new function url()
Remove debug info
Update README.md

correct minor spelling
Merge pull request #153 from machinez/patch-1

Update README.md
Adding MySQL extended dialect