add throttle backoff when requests timeout
add throttle backoff when requests timeout

wroscoe/donkey,ricorx7/donkey,kennethjiang/donkey,ricorx7/donkey,SarthakJShetty/MyDonkey,ricorx7/donkey,wroscoe/donkey,wroscoe/donkey,alanwells/donkey,SarthakJShetty/MyDonkey,ricorx7/donkey,alanwells/donkey,kennethjiang/donkey,alanwells/donkey,SarthakJShetty/MyDonkey,wroscoe/donkey,SarthakJShetty/MyDonkey,kennethjiang/donkey