Merge pull request #15 from blehman/master

-u option: added uniq id#
Merge pull request #16 from blehman/master

fixed -x error for actor:id field
Changed geo json to be line-by-line.  Refactored names in gnacs.py
Remove dangling geojson list comma
Merge pull request #17 from jrmontag/master

Remove dangling geojson list comma
Updated test metrics
Added type exception to clean field
clean utc offset
Merge pull request #18 from jrmontag/master

Here's your freakin pull request
catch IO exceptions from broken downstream pipe
added test for pipe-cutoff behavior
Merge pull request #19 from jeffakolb/master

a title
keypath addition