Make startfuel more robust

mine/client.lua

@@ -1,6 +1,7 @@
 args = {...}
 x, z, direction = 0, 0, 0
 turtlestate = {
+    startfuel = 0,
     name = os.getComputerLabel(),
     id = os.getComputerID(),
     fuel = "",
@@ -637,8 +638,7 @@ function doRefuel2()
         end
     end
     updateState({ startfuel = turtle.getFuelLevel() })
-    print(turtlestate["startfuel"])
-    sleep(4)
+    --print(turtlestate["startfuel"])
 end
 
 slots = { {7,-6}, {7, -7}, {7, -8}, {7,-5}, {7,-4} }