Get rake default task running
Add some basic field overrides for Sequel -- basic types, uniqueness constraint, and a way to output the field definition in a way that Sequel's create_table can consume
Update Native types for Sequel requirements
forgot to include field class in base
Add a wrapper class called Model which works between db tables and entity definitions.  This will be where we figure out if a Type is also an Entity and should be a foreign key or join table?
Get a basic entity -> migration builder up and running -- no filesystem writing or other fancy stuff yet