test & add new miners to optional miners
test & add new miners to optional miners if improvement found

ccminer-bitcore_sp-mod_v2
bitcore

ccminer-phi-sp-mod_v1
Phi

ccminer-skunkhash_sp-mod_v8
Skunk

ccminer-zealot-enemy_v1.08 
    Bitcore = ' -i 20'
    Phi = ' -i 20'
    X16R = ' -i 20'
    X16S = ' -i 20'