prepare for release 0.5.6
prepare for release 0.5.6

1950195/mojito,jeffblack360/mojito,jeffblack360/mojito,1950195/mojito,1950195/mojito,jeffblack360/mojito,yahoo/mojito,yahoo/mojito,ooskapenaar/mojito,ooskapenaar/mojito,yahoo/mojito,ooskapenaar/mojito,jeffblack360/mojito,ooskapenaar/mojito