fixed logical error if statement - cached urls should no longer be re-posted
fixed logical error if statement - cached urls should no longer be re-posted

briandfoy/Perly-Bot,dnmfarrell/Perly-Bot,sjohnston/Perly-Bot,dnmfarrell/Perly-Bot,dnmfarrell/Perly-Bot,briandfoy/Perly-Bot,dnmfarrell/Perly-Bot,sjohnston/Perly-Bot