Feature request - Vardiff, where user optionaly sets desired share difficulty via password numeric value. In example below, share difficulty is set to 4 in cgminer.conf file.

{
"url" : "stratum+tcp://solo.ckpool.org:3333",
"user" : "1PYbF46Bit5VhBAWN6AfbboernJtentVJ7",
"pass" : "4"
}