Adding the regex operators for PostgreSQL
Fixing the indentation problem
Ensure the number of minutes is not < 1 for Redis setex
Improve concaternation
fix relationsToArray

The relationsToArray needs to unset it's relation value at the end of
every loop.
Temporal fix for the empty file error
Override Request::duplicate so that it handles cases where input files are null
Fix indentation
Change test to tabs
Remove extra line
Format fixes
Simplify
Removed unused use
Import class
Merge commit 'c55ddb2d1edc087f1c5564acd9dc02555083575d'
Merge remote-tracking branch 'upstream/master'
Updated mail Mandrill transport to send all to/cc/bcc addresses to the Mandrill API in a "to" array, as previously Mandrill would ignore Bcc addresses just included in the raw message header
Added unit test for Mail MandrillTransport
Added return type ResponseFactory for better chaining
Fixed code indentation to use tabs rather than spaces