updating the readme

bump to 0.1.30

removing a "print" form within the server subprocess and placing it o…

…n main process

releasing lettuce 0.1.28, closes gabrielfalcao#150

bumping to 0.1.27

bump to 0.1.25 applying pull requests from @garron and @jlsnpi. Thank…

… you guys

bump to 0.1.24

typo

bump to 0.1.22

settings.LETTUCE_SERVER_PORT support + bump to 0.1.21