Fix: 'IRB is not a module (TypeError)'
Fix: 'IRB is not a module (TypeError)'

Fixes #155 - IRB is not a module (TypeError) when starting zeus console.

All credit to @haarts for this!
https://github.com/burke/zeus/issues/155#issuecomment-16430481

matrinox/zeus,kgrz/zeus,Lexxville/zeus,latortuga/zeus,stripe/zeus,matrinox/zeus,matrinox/zeus,burke/zeus,kgrz/zeus,burke/zeus,stripe/zeus,latortuga/zeus,pelletencate/zeus,Lexxville/zeus,stripe/zeus,latortuga/zeus,burke/zeus,pelletencate/zeus,Lexxville/zeus,ylansegal/zeus,ylansegal/zeus,kgrz/zeus,ylansegal/zeus,pelletencate/zeus