I notice that when new proxy are added in awaiting proxy list, NHP not care if they was already checked before, so this is a
unecessary overload and in the working list there are many dupe or triple proxy.
For ex. now I have in my working list 4320 proxy, but only 3100 are unique proxy, this mean that I have in list 1200 dupe.
should be nice if nhp can check any new awaiting list against the working list and erase the dupe.