mini-ndn

Vince Lehman wrote:

This task should wrap ndnping's functionality in a helper class.

The ping method in experiments.py should be removed and its uses in the code should be replaced with this helper class.

Class API:

class NdnPingClient:
    @staticmethod
    def ping(srcNode, namePrefix, interval=1000, timeout=4000, count=None, startingSeqNo=None, id=None, allowStaleData=False, printTimestamp=False)