Merge pull request #200 from DariusIII/dev_test

Allow blank NZBGet username or password.
Merge pull request #201 from DariusIII/master

Master
Merge pull request #202 from DariusIII/dev_test

Dev test
Fixed unsupported pdo method in requestID.php
Switch from #nZEDbPRE to #tmuxpre channel in IRCScraper.
Merge pull request #203 from DariusIII/dev_test

Dev test
Merge pull request #204 from DariusIII/dev

Dev