schema for PODs
fixed bug in supers collection and add parent intersection helpers
houston, we have inheritance
snapshot filter implemented for all supported data types

made handling of types in filters more robust. fixed indent on snapshot method. removed <input> wrapper tag from schema filter

implemented support for templated types in initfromdb filter
added init and snapsho inv
added a default pragma filter and updated the code generator filter
Initial unit tests for pass 2 filters.
Unit tests for pass 2 filters are implemented.
and we have the default
implemented templated types for schema
fixed a bug in initfromcopy