Use Ruby 2.0.0
Take sleep time in keyword arguments
Add TerminalColor module
:P
Add println
Add wait, replace sleep :)
Add showln
Use showln, remove \n :)
Oops
demoメソッドを分割した :sparkles:
Remove debug lines
Set window size when start broadcasting
Remove localhost setting
Merge pull request #1 from hanachin/refactoring

Refactoring thanks!