Remove support for string only source_address values. Now only (host, port) 2-tuples are supported. Remove trailing periods from Python version comments.
Rename @onlyPy26OrEarlier and @onlyPy27OrLater to the more explicit @onlyPy26OrOlder and @onlyPy27OrNewer.
Comments.
Merge pull request #2 from gruns/master

Remove Python exclude line shorthand and trailing periods. Remove support for string only source_address values. Only (host, port) 2-tuples are supported now.