DOC: documented setup for database unit testing
ENH: finished implementation of nullable -> option support for queries as well as inserts.
TST: tested query retrieval of records with some nullable/option fields
ENH:  implemented jinja2 include statement and tested
ENH:  starting implmentation of blocks.  Can parse blocks and extends statement but not exapnd extends
ENH: building out block support
TST: adding more tests cases for empty bodies
ENH: fix for empty blocks
REL: 1.05