Fix Swift5 warnings

XIONControlPanel/Models/WemoDevice.swift

@@ -61,17 +61,14 @@ class WemoDevice: Hashable
         }
     }
     
-    var hashValue: Int
+    func hash(into hasher: inout Hasher)
     {
-        var hash: Int = 0x0
-        hash ^= self.name.hash
-        hash ^= self.host.hash
-        hash ^= self.model.hash
-        hash ^= self.state.hashValue
-        hash ^= self.type.hashValue
-        hash ^= self.serial.hashValue
-        
-        return hash
+        hasher.combine(self.name)
+        hasher.combine(self.host)
+        hasher.combine(self.model)
+        hasher.combine(self.state)
+        hasher.combine(self.type)
+        hasher.combine(self.serial)
     }
 }