Convert DB and Tx to interface; Add (Must)RawQuery and RawQueryRow

Fix ConcatQuery function

Fix new linter warnings

Escape invalid names

Add -ttrim and -ftrim to qb-generator

Add support for using a query as a value

Add IgnoreConflict to Insert

Add Must functions to qbdb

Fix Offset

Fix empty items from qb-architect with table filter (#18)