conform to parent _load declaration
Unset modified flag when saving to cassandra to avoid saving stale data on future saveChanges
Do not change attribute name when creating a new attribute (causes column names to change from upper to lower)
force the record to load before setting the id to null, otherwise exists returns true and the old record is updated
Append to the main project dispatch.ini
Verify file exists before reading
Added support for persistent messages
Added docblock