* Update py-csvkit
This PR updates the py-csvkit package. This version requires a python
stack based on agate and this PR includes the new dependency packages.
- py-agate-dbf
- py-agate-excel
- py-agate-sql
- py-agate
- py-dbfread
- py-isodate
- py-leather
- py-parsedatetime
- py-python-slugify
- py-pytimeparse
- py-text-unidecode
* Replace the copy/pasted apostrophes
Python 2 can not process the copy/pasted apostrophes so replace them
with standard single quote character.
* Add version constraints on dependencies
8b1bf2d613