Set $dbh and $Connector variables protected for children ResourceManager (cf. HyDreResourceManager - http://github.com/jjrom.hydre)
Set function quoteForHstore($string)  protected for children ResourceManager (cf. HyDreResourceManager - http://github.com/jjrom.hydre)
Set function resourceExists($string)  protected for children ResourceManager (cf. HyDreResourceManager - http://github.com/jjrom.hydre)