Update Collection.php
Merge pull request #93 from arturgspb/patch-2

Update Collection.php
Merge pull request #1 from phalcon/master

Merge
Unset connection option "adapter"
Fix Bug Migration: Postgresql describing DB problem
Merge pull request #95 from dreamsxin/master

Fix Bug Migration: Postgresql describing DB problem
Merge remote-tracking branch 'upstream/master'