Use standard python logger for logging.

[F483]

This is completely spamming all messages (not only the ones concerning itself).

You should use a normal python logger instead of rolling your own.

This will allow others using your lib to have more control over logging.

[F483]

This hasn't been much of a problem until now, but I am enabling data transfer by default as it will be need for the test group c client. So all the pyp2p logs are now making the output completely unreadable.

[robertsdotpm]

Added logging and removed some excessive statements.