Merge pull request #22 from jrmontag/master

start ascii encoding for URLs
Added some unit tests to acscsv.py
options origin update
Merge pull request #23 from blehman/master

options origin update
account for record["inReplyTo"]["author"]["link"] = null
fix case where record[inReplyTo][author][link]=null
Merge pull request #24 from jeffakolb/master

fixed bug in tumblr parsing