Merge pull request #21 from blehman/master

keypath code refactor
Updates to tests and Brian's additions
Fixed secion on twitter_entities for urls
Fixed the explain for links
Added newsgator json basic options.
Added newsgator user
start ascii encoding for URLs
Merge pull request #22 from jrmontag/master

start ascii encoding for URLs
Added some unit tests to acscsv.py
options origin update