categorizer is working for acs data
adding categorizer
applying categories to disaggregate data (pums records)
annotate the notebook
Merge branch 'master' into categorizer
adding categorizer module - should be fully tested
add the tests
pep8
Merge pull request #6 from synthicity/categorizer

This adds a categorizer to popgen. What this module does is to get your data from acs and from pums into the same categories so that synthesis will work. More to come.