Added options to the add method for developer id and property type. Also created a new function called comparables for showing managing which properties are comparable to a particular property.
Added a comprables view for managing properties that are comparable to a particular property.
A view for managing your developer profile
Added the my() method for managing your developer profile(s)
Updated validation to reflect that a name can be empty
Made it so that owner_id would be filled if not provided
Owner id needs to be there.