object representation of an Insert statement
blank canvas for an SqlSaver. Should perhaps be an interface
Factory for creating SqlSavers on a per-model basis
SqlSaver for Video model
initial stab at testing sqlsavers. possibly redundant now.
Defer save(model) to an SqlSaver for that model
Change INNER JOIN to LEFT JOIN so we can deal with inserts without content envelope.
Point model to it's saver
Test insert of video model works