Merge pull request #1 from Niichan/master

Many blacklists added and output formatting made more sane
Updated rblwatch.py to use dnspython instead of pyDNS.  Added some timing improvements
Circumvent NameError due to bug in pypy version of dnspython 1.11.0
Switch from pyDNS to dnspython
Merge from upstream https://github.com/polera/rblwatch