Update CHANGELOG.
Update CHANGELOG.

quangnguyen90/predis,gencer/predis,dzung2t/predis,zhangyancoder/predis,RudyJessop/predis,nguyenthaihan/predis,WalterShe/predis,SecureCloud-biz/predis,gopalindians/predis,lvbaosong/predis,CloudSide/predis,moria/predis,protomouse/predis,mrkeng/predis