------------------ * patched issue relating to introspection of required columns (issue 7-8)
0.2.1
------------------ * patched issue relating to datetime/datestrings not being parsed by collections
0.2.0
------------------ * Built adapter module and related functionality * removed calc_factory API (possibly will be re-included in a later build) * created the CollectionBuilder class
0.1.2
------------------ * Port initial API from bema project * Port original unittests * change marshmallow api to 2.x