colorize output.
colorize output.

also add some new icons and simplify icon system.

sethwoodworth/wego,crichID/wego,srsman/wego,alberthdev/wego,dharmit/wego,qida/wegot,jacobxk/wego,edombowsky/wego,mattn/wego,rorpage/wego,schachmat/wego,R11baka/wego,matoken/wego