Merge pull request #319 from JoeGermuska/master

fix minor typo (capitalizo?) in csvformat.py
Fix csvformat typo in docs.
Add missing documentation for --zero. Closes #323.
Add missing CHANGELOG entry.
Fix output encoding for csvlook.
Fix unicode output for csvstat.
Update CHANGELOG.
Fix unit tests for unicode handling in csvlook and csvstat.
Handle rows shorter than headers in Table. Closes #313.
Next release will be 0.9.0.
Add release docs.
Update CHANGELOG.
Fix sorting of columns with nulls. Closes #302.
Update python-dateutil to 2.2. Closes #304.
Maintain key order when converting JSON to CSV. Closes #325.
Add unit test for json in2csv. Closes #77.
Preserve field order in output of csvjson.
Maintain key order when converting geojson in2csv.
Don't error in csvjson when lat/lng are null. Closes #326.
Add new example data.