Fix up time parsing and encoding/decoding
Time, Date & Timestamp overhaul

• Replaced Joda-Time usage with custom mini-framework that encapsulates the PostgreSQL and JDBC handling of date/time objects
• Implements all PreparedStatement and ResultSet date/time related methods (including custom time zones)
• Migrated time related unit tests from original project (all tests currently pass!)
Protocol defaults to reporting zero rows affected for unknown command tags
Fix error in array unit test