Fix handling of NULLs when replacing query params
Split indexes returned by mysql

Currently PDO returns indexes from MySQL Explain query separated by comma without space, which leads to a very long lines in Symfony profiler.

[] Check that other DBs will handle this
update readme with a valid version number for doctrine-bundle as a composer dependency.
Added option to configure repository factory service
Remove installation instructions from readme as the also exist in Resources/docs
Update installation.rst
Link to configuration and installation instructions
Added configure for sharding
Fixed extension
Added new element in XSD
Added test for pool sharding connection
Merge pull request #193 from biozshock/patch-1

Split indexes returned by mysql
Removed PHP 5.5 from the allowed failures
Merge pull request #169 from lazyhammer/runnable-query-fix-null

Fix handling of NULLs when replacing query params
Merge pull request #202 from slipo/master

update readme with a valid version number for doctrine-bundle as a compo...
Merge pull request #204 from rnijveld/repository_factory

Added option to configure repository factory service
Fixed CS
Simplified the phpunit config and fixed the coverage blacklist
Switched the proxy autoloader code to use the Doctrine code
Tweaked the configuration for sharding

Refs #215