Created variables for each name.
Added IgnoreObjectStatusAttribute to be able to switch off ObjectStatus tracking in order to work with IsDirty only.
Made Attributes inheritable.
Added status "Ignore".
Implemented IgnoreObjectStatus functionality so the use or only IsDirty is possible. It is then decoupled from ObjectStatus Property and ObjectStatus will not be used.
Added tests for IgnoreObjectStatus Attribute.
Implementation of IgnoreObjectStateAttribute.