v0.2.4

Enhancements

• Better error message if repo is not started
• Do not require ^ on literals inside array/2 or field/2
• Parametrize queries, interpolated values are no longer encoded as literals in the generated SQL query, instead they are sent as query parameters
• Allow starting the assoc selection from a joined association or building it from right outer joins

Bug fixes

• Remove possible deadlock for models using each other in queries