Change the damage taken by trees. We can brush up against one and still make it through. But trees still give lots of damage...

EduNetworkBuilder/NetworkLink.cs

@@ -396,7 +396,7 @@ namespace EduNetworkBuilder
             {
                 if (myNet.DeviceInTree(theLinkType, location))
                 {
-                    tPacket.health -= 60;
+                    tPacket.health -= 40;
                 }
             }
         }