added alternative DbRecord class
added some comments
removed debug code
referencing to database fields is now done using the exact name, not camel case
abandoned the fancy find system
removed reference to DbRecord->fieldNames
completed update query in dbrecord->save method
Moved User class from /db to /dbo
reimplemented User class using the new DbRecord class
fixed User::findByName returning array instead of user object
User::findByUsername now returns null if user not found
added search method to user class
moved files
moved even more files
reimplemented Payment class using the new DbRecord class
removed soon-to-be unused interface IDbRecord
Implemented the remaining database obejct classes using the new DbRecord class.
Forgot a few method implementations, so added them now.
Added method removePermissions
added getMembers and getCreator methods to DebtGroup