fixed purge command

more fixes for 1.2.0

Merge pull request #5 from flightphp/bug-purge

Fixed bug with PurgeCommand

Fixed bad array key in worker file

few bug fixes

updated database engines

Update LoggerFactory.php

Fixed #2

Last few fixes for masking ips to work correctly

Merge pull request #1 from flightphp/add-new-request-data-points

Added IP, User Agent, Host, and Session ID to requests

fixed double load issue with response graph