Started working on --defaults-group-suffix option.
Started working on --defaults-group-suffix option.

webwlsong/mycli,evook/mycli,j-bennet/mycli,oguzy/mycli,shoma/mycli,ZuoGuocai/mycli,MnO2/rediscli,suzukaze/mycli,chenpingzhao/mycli,brewneaux/mycli,D-e-e-m-o/mycli,j-bennet/mycli,danieljwest/mycli,thanatoskira/mycli,brewneaux/mycli,MnO2/rediscli,martijnengler/mycli,shoma/mycli,danieljwest/mycli,jinstrive/mycli,oguzy/mycli,D-e-e-m-o/mycli,suzukaze/mycli,ZuoGuocai/mycli,webwlsong/mycli,mdsrosa/mycli,chenpingzhao/mycli,thanatoskira/mycli,jinstrive/mycli,evook/mycli,martijnengler/mycli,mdsrosa/mycli