Removed methods that wasn't needed, and added set/getBonus to Refuge.
Removed methods which was allready declared by parents.
Created link to variable for GUIManager and called create.
Added type to the fields.
Renamed Field to OurField, as the name Field was conflicting with the
Field in the GUI.
Updated Tax to OurTax and Refuge to OurRefuge, as both of them were
conflicting with the GUI.