Lock blocked Pipes so they cannot be changed. Closes #8
Control game FPS.
Merge pull request #21 from fabiokr/framerate

Control game FPS.
Merge pull request #22 from fabiokr/block_pipe

Lock blocked Pipes so they cannot be changed. Closes #8
Starts flowing after 5 seconds from the first pipe
Continous flowing
Game over
Use constants for initial position
Adds getCurrentPipe()