Update CHANGELOG.
Update CHANGELOG.

gencer/predis,oswaldderiemaecker/predis,WalterShe/predis,johnhelmuth/predis,vend/predis,mrkeng/predis,nrk/predis,lvbaosong/predis,SwelenFrance/predis,SecureCloud-biz/predis,dzung2t/predis,protomouse/predis,stokes3452/predis,zhangyancoder/predis,gopalindians/predis,quangnguyen90/predis,nguyenthaihan/predis,CloudSide/predis,RudyJessop/predis,moria/predis