Refactoring: keep arguments in one place
Tests for support for bound args in Expressions
Support for Expression args in Deletes
Refactoring: make utility method static and move to a better location
Support for Expression args in Updates
Support INSERT INTO ... SELECT statement with args

Switched to compiled statement implementation.
Refactoring: more friendly args merging in Expression.
Support Expressions args in Queries
Fixed Update behavior
Hackish solution for getting the tables from expressions