direwolf20 chunkdestroyer 1.6, personal anchor, no fuelboss

-- start with "startup <Miner|chunkloader|fuelBoss>"
rednet.open("right")
local func
local tArgs = {...}

function cleanup()
   for i = 1,12 do
      turtle.select(i)
      turtle.dropDown()
   end
end

function place()
   turtle.select(16)
   turtle.place()
   turtle.down()
   turtle.select(15)
   turtle.place()
   turtle.select(14)
   turtle.placeDown()
end

function remove()
   turtle.select(14)
   turtle.digDown()
   turtle.select(15)
   turtle.dig()
   turtle.up()
   turtle.select(16)
   turtle.dig()
end

function fuel()
   turtle.select(13)
   turtle.placeUp()
   turtle.select(1)
   turtle.suckUp()
   turtle.dropUp(turtle.getItemCount(1) - 4)
   turtle.refuel()
   turtle.select(13)
   turtle.digUp()
end

function fuelBoss()
  turtle.select(13)
  turtle.placeUp()
  turtle.select(1)
  turtle.suckUp()
  turtle.dropUp(turtle.getItemCount(1) - 4)
  turtle.select(13)
  turtle.digUp()
  turtle.up()
  turtle.turnRight()
  turtle.select(1)
  turtle.drop()
  turtle.turnLeft()
  turtle.down()
end

function checkFuel()
   if turtle.getFuelLevel() < 400 then
      fuel()
   end
end

function cycle()
   place()
   sleep(25)
   while turtle.getItemCount(1) > 0 do
      cleanup()
      sleep(2)
   end
   remove()
   checkFuel()
   turtle.forward()
end

function checkIn(fromID)
   rednet.send(fromID, tArgs[1])
end

function refuelEnderpearl()
    if turtle.getItemCount(15) < 3 then
        turtle.select(14)
        turtle.placeDown()

        while turtle.getItemCount(15) < 16 do -- suck items until refueled
            turtle.suckDown()
            turtle.select(1)
            turtle.transferTo(15)
        end
        if turtle.getItemCount(1) > 0 then
            turtle.select(1)
            turtle.dropDown()
        end

        turtle.select(14)
        turtle.digDown()
    end
end

function chunkLoad()
    turtle.select(15) -- get enderpearls back
    turtle.suckUp()

   turtle.select(16) -- get chunkloader
   turtle.digUp()
   checkFuel()
   turtle.select(16)
   turtle.forward()
   turtle.placeUp()

   turtle.select(15) -- put enderpearls
   turtle.dropUp()
end

while true do
   local id,msg,dist = rednet.receive()
   func = loadstring(msg.."(...)")
   setfenv(func, getfenv())
   func(id)
   rednet.send(id,"Done")
end