[-] MO : Fix PNM-2666 better wording referral program
// wording
[*] Mailing revive fix

Mailing revive doesn't work because $friendsChecked return array(ID => 1) not array(0 => ID)
Merge pull request #6 from axometeam/patch-2

[-] FO : Mailing revive fix
// follow up 045e4083c3494aeae8f799f77b0269c695082fd5 reset method
// Version updated to v1.6.2