Shut up warnings for now

src/apr.rs

@@ -14,6 +14,8 @@ pub struct Apr {
     dragging: bool,
 
     actors: Vec<actor::Actor>,
+
+    #[allow(dead_code)]
     behaviours: Vec<behaviour::Behaviour>,
 }
 
@@ -67,6 +69,7 @@ impl Apr {
         })
     }
 
+    #[allow(dead_code)]
     pub fn set_colour(&mut self, r: usize, c: usize, clr: u8) {
         //You should only modify self.board through this method.
         self.board.board[r][c] = clr; //Making a getter for self.board would sadly break borrowing in the same way that closest_square_coords does.