treeAPI

function replant()
  turtle.select(1)
  turtle.place()
  turtle.turnLeft()
  turtle.forward()
  turtle.turnRight()
  turtle.place()
  turtle.turnRight()
  turtle.place()
  turtle.turnRight()
  turtle.forward()
  turtle.turnRight()
  turtle.turnRight()
  turtle.place()
  turtle.select(3)
  while turtle.compare() == false do
    turtle.select(2)
    turtle.place()
    turtle.select(3)
  end
end

function harvest()
  turtle.select(3)
  turtle.dig()
  turtle.forward()
  while turtle.compareUp() == true do
    turtle.digUp()
    turtle.dig()
    turtle.up()
  end
  turtle.dig()
  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.turnLeft()
  while turtle.compareDown() == true do
    turtle.dig()
    turtle.digDown()
    turtle.down()
  end
  turtle.dig()
end