New classes to support the SQL expression AST
A very simple expression evaulator, used to find rows when applying metadata to static tables
Make all types capable of normalizing barewords (as possibly quoted identifiers)
Parse expressions from INSERT INTO statements
Add support for generating INSERT INTO statements from Expressions
Add support for generating metadata associated with expressions and INSERT INTO statements for MySQL
Update the loader to be capable of loading the new Expression metadata
Update diff/changesets to handle Expressions
Simplify array handling in maybe
Unicode matches and substrs please
Avoid integer overflows on substr