meta data support
dsl extended for adding and dropping primary and foreign keys
add primary and foreign keys, extraSQL ddl, refactor tests
more splitting up of tests. Always destroy the migrations folder before a test
update README and examples for new functionality
going to 1.2.1 in package.json
use our own version of sql-ddl-sync for now
Merge pull request #6 from locomote/keys

I'm bringing this in so I can work on CBT data integrity issues.