Added a new hash fuzzy tester.
Added a new hash fuzzy tester.

The new fuzzy tester also removes elements from the hash instead of just
adding random fields. This should increase the probability to find bugs
in the implementations of the hash type internal representations.

GrimDerp/redis,viongpanzi/annotated_redis_source,mpalmer/redis,jingjidejuren/redis,shining-yang/redis,pkdevbox/redis,zhoudayang/redis,weizijun/redis,hedisdb/hedis,drinkthere/redis-3.0-annotated,JoeWoo/redis,ituncle/redis,iandyh/redis,mengyou0304/redis,izhoujie/redis,mverrilli/redis,nuxeh/redis,YuraLukashik/redis,programmecat/redis,SyntaxStacks/redis,Aliceljm1/redis-3.0-annotated,yybirdcf/learn-redis,MasahikoSawada/redis,LongXQ/redis,idning/redis,mcanthony/redis,seppo0010/rlite-server,wuxiaowei907/annotated_redis_source,taoguan/redis,ChanningDuan/annotated_redis_source,HunanTV/redis,zhaobo1023/redis-3.0-annotated,mverrilli/redis,GitHubMota/redis,pietern/redis,AALEKH/redis,davidradunz/redis,flashbuckets/redis,xlzhan/redis,idning/redis,Aliceljm1/redis,tzq668766/redis-3.0-annotated,hornen/redis,timothyohare/3rdPartySrc-redis,programmecat/redis,hgl888/redis,z-fork/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,yossigo/redis,JoeWoo/redis,jasonkying/redis,neomantra/redis,gilala/hbjredis,Aliceljm1/redis-3.0-annotated,PradheepShrinivasan/redis,ncopa/redis,cloudrain21/redis,Aliceljm1/redis,zczhuohuo/redis,jbochi/redis,aim-for-better/redis,nnog/redis,netroby/redis,190235047/redis,z-fork/redis,pkdevbox/redis,ouyangkongtong/redis,whille/redis-3.0-annotated,dramenk/annotated_redis_source,mverrilli/redis,ReadCode/redis-3.0-annotated,ouyangkongtong/redis,ttuna/msot-redis,louisliangjun/redis,dramenk/annotated_redis_source,cusspvz/redis,GitHubMota/redis,qiyang0221/redis,viongpanzi/annotated_redis_source,taoguan/redis,davidradunz/redis,janekmi/redis,huangz1990/annotated_redis_source,darksideofthemoo/redis-histogram,ksarch-saas/redis,whille/redis-3.0-annotated,HunanTV/redis,pcarrier/redis,fengshao0907/redis,Soledad89/redis,supasate/redis,citusdata/redis,miaoyc1989/redis-3.0-annotated,riyan8250/redis,clamoriniere1A/redis,slfs007/mk-redis,yossigo/redis,wuyu201321060203/redis-3.0-annotated,nilyang/redis-tdd-annotation,Sciumo/redis,a-pavlov/redis,msn217/redis-3.0-annotated,dayuoba/redis,jackyan/redis,gilala/hbjredis,mrb/redis,xuzhezhaozhao/redis_reading,programmecat/redis,pcarrier/redis,xujunhai1991/redis,gaoxianglong/redis,sunlianqiang/redis-3.0-annotated,cnbin/redis,figoxu/annotated_redis_source,RepmujNetsik/redis,adamweixuan/redis-3.0-annotated,ofirluzon/redis,ofirluzon/redis,himoca/redis,hedisdb/hedis,ramonsnir/redis,pkdevbox/redis,miaoyc1989/redis-3.0-annotated,soveran/redis,wbailey5/redis,4396/redis,MSOpenTech/redis,GrimDerp/redis,pedigree/redis,HunanTV/redis,shreesundara/redis,4396/redis,louisliangjun/redis,mrb/redis,Hailei/redis,PKRoma/redis,saisai/redis,taoguan/redis,mengyou0304/redis,huangz1990/annotated_redis_source,wenxueliu/redis_comment,mrb/redis,moonbingbing/redis-3.0-annotated,ChaosCoo/annotated_redis_source,Markgorden/redis,xujunhai1991/redis,AplayER/redis,guker/redis,mgk/redis,josiahcarlson/redis,dramenk/annotated_redis_source,cusspvz/redis,machicao2013/redis-source-annotated,fengshao0907/redis,gilala/bjredis,shining-yang/redis,Hailei/redis,HeartSaVioR/redis,darksideofthemoo/redis-histogram,davidradunz/redis,jermnelson/redis,dreamquster/redis,190235047/redis,zguangyu/redis,zhiliaoniu/redis,duanx/redis,ton31337/redis,ofirluzon/redis,narma/redis,ketor/redis,tjschuck/redis,ytjiang/redis,PKRoma/redis,pietern/redis,gilala/redis,mcanthony/redis,onlymellb/redis-3.0-annotated,seppo0010/redis,devaos/redis,h0x91b/redis,ketor/redis,oranagra/redis,danny200309/annotated_redis_source,ttuna/msot-redis,mpalmer/redis,mumingv/redis-3.0-annotated,splitice/redis,miaoyc1989/redis-3.0-annotated,LongXQ/redis,nuxeh/redis,huyuezheng/redis,pmem/redis,guker/redis,CodeJuan/redis,thomasdarimont/redis,j0hnma/szredis,soloestoy/redis,zczhuohuo/redis,universsky/redis,aim-for-better/redis,jermnelson/redis,oranagra/redis,nnog/redis,shshlzh/redis-3.0-annotated,ytjiang/redis,iandyh/redis,hornen/redis,riyan8250/redis,wbailey5/redis,JoeWoo/redis,rouzier/redis,0x55/redis-3.0-annotated,xuguruogu/redis,supasate/redis,duanx/redis,kmiku7/redis,wangyikai/redis,ncopa/redis,mumingv/redis,badboy/redis,abhiklodh/redis,gspandy/annotated_redis_source,csuhawk/redis,ReadCode/redis-3.0-annotated,ituncle/redis,xlzhan/redis,gilala/hredis,universsky/redis,jxwr/redis,soloestoy/redis,sunlianqiang/redis-3.0-annotated,pmem/redis,wprice/redis,dongqifan2/redis-3.0-annotated,ErikDubbelboer/redis,SyntaxStacks/redis,splitice/redis,tanghaodong25/redis,mattsta/redis,itamarhaber/redis,yossigo/redis,viongpanzi/annotated_redis_source,hornen/redis,seandsky/redis,rouzier/redis,haima-zju/redis-3.0-annotated,cnbin/redis,Cisphyx/redis-websockets,itamarhaber/redis,harrisonfeng/redis,charsyam/redis,PKRoma/redis,seppo0010/redis,ChanningDuan/annotated_redis_source,xuguruogu/redis,zczhuohuo/redis,dreamquster/redis,takeshineshiro/redis,twskipper/redis,harrisonfeng/redis,ton31337/redis,charsyam/redis,linfangrong/redis,tellapart/redis,thomasdarimont/redis,fengshao0907/redis,mumingv/redis-3.0-annotated,ctripcorp/redis,haima-zju/redis-3.0-annotated,iandyh/redis,hhli/redis,pmem/redis,pcarrier/redis,blackmady/redis,ChanningDuan/annotated_redis_source,Markgorden/redis,badboy/redis,hawkchch/redis,hedisdb/hedis,riyan8250/redis,wbailey5/redis,twskipper/redis,dayuoba/redis,cusspvz/redis,mengyou0304/redis,kensou97/redis,whille/redis-3.0-annotated,rogerchina/redis,AplayER/redis,nilyang/redis-tdd-annotation,jingjidejuren/redis,tjschuck/redis,Aliceljm1/redis,drinkthere/redis-3.0-annotated,cloudrain21/redis,0x55/redis-3.0-annotated,RepmujNetsik/redis,abhiklodh/redis,colstrom/redis,jacklee0810/redis-3.0-annotated,csuhawk/redis,spinlock/redis,rogerchina/redis,ncopa/redis,timothyohare/3rdPartySrc-redis,fankeke/redis-3.0-annotated,universsky/redis,YuanZhewei/redis,ttuna/msot-redis,rouzier/redis,simplestbest/redis,wujf/redis,RepmujNetsik/redis,elkingtonmcb/redis,Soledad89/redis,unasm/redis-3.0-annotated,janekmi/redis,GitHubMota/redis,supasate/redis,ErikDubbelboer/redis,kmiku7/redis,j0hnma/hszredis,NBSW/redis,Aaron1992/redis,MSOpenTech/redis,honestme/redis,guker/redis,YuraLukashik/redis,huangz1990/experiment-redis,PKRoma/redis,abhiklodh/redis,louisliangjun/redis,brg-liuwei/redis,holstvoogd/redis,gilala/hredis,devaos/redis,francischan714/redis,Sciumo/redis,OmarQunsul/graph-redis,wenxueliu/redis_comment,xuguruogu/redis,dreamquster/redis,huyuezheng/redis,yuzhangjob/redis-3.0-annotated-unstable,gspandy/annotated_redis_source,fengshao0907/annotated_redis_source,rrsean/redis-3.0-annotated,Aaron1992/redis,nuxeh/redis,blackmady/redis,fengshao0907/redis-3.0-annotated,charsyam/redis,mumingv/redis,PradheepShrinivasan/redis,YongMan/redis,linfangrong/redis,pedigree/redis,Aliceljm1/redis,itugs/redis,wangyikai/redis,ttuna/msot-redis,jingjidejuren/redis,weizijun/redis,mengzhejin/RedisStudy,hornen/redis,wprice/redis,gilala/hbjredis,tidatida/annotated_redis_source,seppo0010/redis,nnog/redis,wbailey5/redis,Cisphyx/redis-websockets,yybirdcf/learn-redis,duanx/redis,Cisphyx/redis-websockets,Wangyao14cyy/redis,atreeyang/redis,kmiku7/redis,valdsJohn/redis,cloudrain21/redis,yuhc/redis-benchmark-enhanced,LongXQ/redis,vincent-vivian-liu/redis,Wangyao14cyy/redis,MasahikoSawada/redis,cusspvz/redis,july2993/redis,ituncle/redis,AALEKH/redis,seppo0010/rlite-server,spearhead-ea/redis,magastzheng/redis-3.0-annotated,aluzzardi/redis,GitHubMota/redis,magastzheng/redis-3.0-annotated,soveran/redis,fengshao0907/annotated_redis_source,honestme/redis,colstrom/redis,brg-liuwei/redis,wuyu201321060203/redis-3.0-annotated,zguangyu/redis,jxwr/redis,jacklee0810/redis-3.0-annotated,moonbingbing/redis-3.0-annotated,0x55/redis-3.0-annotated,yossigo/redis,abhiklodh/redis,allengaller/redis,flashbuckets/redis,antirez/redis,buobao/redis-3.0-annotated,pmem/redis,francischan714/redis,ctripcorp/redis,NBSW/redis,pedigree/redis,tjschuck/redis,hawkchch/redis,shshlzh/redis-3.0-annotated,190235047/redis,cnbin/redis,maodeyi/redis_lua,sunheehnus/redis,july2993/redis,jackyan/redis,jasonkying/redis,HouKangkang/redis-3.0-annotated,Hailei/redis,JoeWoo/redis,GrimDerp/redis,soveran/redis,figoxu/annotated_redis_source,ncopa/redis,idning/redis,spinlock/redis,maodeyi/redis_lua,YuanZhewei/redis,citusdata/redis,neomantra/redis,thomasdarimont/redis,xujunhai1991/redis,StevenTsai/redis,roth1002/redis,gaoxianglong/redis,darksideofthemoo/redis-histogram,Soledad89/redis,jacklee0810/redis-3.0-annotated,OmarQunsul/graph-redis,mpalmer/redis,clamoriniere1A/redis,josiahcarlson/redis,zhcy/redis,fengshao0907/annotated_redis_source,rrsean/redis-3.0-annotated,netroby/redis,dongqifan2/redis-3.0-annotated,ipmobiletech/redis,wprice/redis,gilala/bjredis,jxwr/redis,j0hnma/szredis,hhli/redis,mumingv/redis,zhcy/redis,antirez/redis,mengzhejin/RedisStudy,Soledad89/redis,GrimDerp/redis,aim-for-better/redis,izhoujie/redis,ctripcorp/redis,splitice/redis,july2993/redis,yuhc/redis-benchmark-enhanced,arijitvt/redis,NBSW/redis,mengzhejin/RedisStudy,thomasdarimont/redis,modulexcite/redis,LongXQ/redis,0x20h/redis,zguangyu/redis,Markgorden/redis,izhoujie/redis,mumingv/redis,tanghaodong25/redis,huangz1990/experiment-redis,allengaller/redis,MSOpenTech/redis,yossigo/redis,gilala/hredis,Cisphyx/redis-websockets,csuhawk/redis,josiahcarlson/redis,idning/redis,takeshineshiro/redis,SummonY/redis,clamoriniere1A/redis,gongice/redis-3.0-annotated,narma/redis,healerkx/redis,healerkx/redis,HouKangkang/redis-3.0-annotated,alenslan/redis,aluzzardi/redis,gaoxianglong/redis,zy416548283/redis-3.0-annotated,HeartSaVioR/redis,xuzhezhaozhao/redis_reading,OmarQunsul/graph-redis,colstrom/redis,sunlianqiang/redis-3.0-annotated,huangz1990/redis-3.0-annotated,valdsJohn/redis,holstvoogd/redis,citusdata/redis,ErikDubbelboer/redis,machicao2013/redis-source-annotated,valdsJohn/redis,oranagra/redis,dreamquster/redis,soveran/redis,ton31337/redis,cloudrain21/redis,oranagra/redis,figoxu/annotated_redis_source,kaushik94/redis,MOON-CLJ/redis,ouyangkongtong/redis,kensou97/redis,a-pavlov/redis,huangz1990/annotated_redis_source,charsyam/redis,csuhawk/redis,jbochi/redis,fengshao0907/redis-3.0-annotated,itugs/redis,alenslan/redis,Aliceljm1/redis-3.0-annotated,PradheepShrinivasan/redis,wprice/redis,ReadCode/redis-3.0-annotated,takeshineshiro/redis,MOON-CLJ/redis,NBSW/redis,wenxueliu/redis_comment,ipmobiletech/redis,wangyikai/redis,mingyaaaa/redis,msn217/redis-3.0-annotated,simplestbest/redis,vincent-vivian-liu/redis,xujunhai1991/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,a-pavlov/redis,janekmi/redis,gongice/redis-3.0-annotated,allengaller/redis,roth1002/redis,alenslan/redis,yuhc/redis-benchmark-enhanced,yuzhangjob/redis-3.0-annotated-unstable,190235047/redis,jermnelson/redis,CodeJuan/redis,saisai/redis,AplayER/redis,j0hnma/szredis,SummonY/redis,ctripcorp/redis,zhoudayang/redis,neomantra/redis,tjschuck/redis,antirez/redis,hgl888/redis,onlymellb/redis-3.0-annotated,saisai/redis,rogerchina/redis,valdsJohn/redis,buobao/redis-3.0-annotated,guker/redis,adamweixuan/redis-3.0-annotated,devaos/redis,zhoudayang/redis,StevenTsai/redis,gilala/redis,rouzier/redis,xuzhezhaozhao/redis_reading,itamarhaber/redis,zy416548283/redis-3.0-annotated,rogerchina/redis,ton31337/redis,gilala/bjredis,sunheehnus/redis,shreesundara/redis,jacklee0810/annotated_redis_source,gechong/redis-3.0-annotated,CodeJuan/redis,YuanZhewei/redis,aluzzardi/redis,mengzhejin/RedisStudy,Wangyao14cyy/redis,hawkchch/redis,j0hnma/hszredis,sunheehnus/redis,tellapart/redis,jacklee0810/annotated_redis_source,Hailei/redis,clamoriniere1A/redis,itamarhaber/redis,gilala/redis,tidatida/annotated_redis_source,ChaosCoo/annotated_redis_source,YuanZhewei/redis,kaushik94/redis,huyuezheng/redis,linfangrong/redis,ofirluzon/redis,healerkx/redis,rogerlz/redis,hhli/redis,zhiliaoniu/redis,jingjidejuren/redis,gilala/hbjredis,nuxeh/redis,miaoyc1989/redis-3.0-annotated,mingyaaaa/redis,francischan714/redis,jasonkying/redis,adamweixuan/redis-3.0-annotated,zhoudayang/redis,duanx/redis,july2993/redis,rogerlz/redis,jbochi/parallel_redis,healerkx/redis,devaos/redis,xlzhan/redis,universsky/redis,yybirdcf/learn-redis,jacklee0810/annotated_redis_source,rogerlz/redis,soloestoy/redis,h0x91b/redis,HunanTV/redis,ipmobiletech/redis,supasate/redis,hhli/redis,harrisonfeng/redis,twskipper/redis,YuraLukashik/redis,wujf/redis,HouKangkang/redis-3.0-annotated,zy416548283/redis-3.0-annotated,wuxiaowei907/annotated_redis_source,shreesundara/redis,josiahcarlson/redis,wangyikai/redis,harrisonfeng/redis,jbochi/redis,ksarch-saas/redis,atreeyang/redis,arijitvt/redis,zhaobo1023/redis-3.0-annotated,MasahikoSawada/redis,gilala/redis,himoca/redis,rrsean/redis-3.0-annotated,itugs/redis,haima-zju/redis-3.0-annotated,Sciumo/redis,machicao2013/redis-source-annotated,twskipper/redis,msn217/redis-3.0-annotated,mattsta/redis,iandyh/redis,charsyam/redis,ttuna/msot-redis,honestme/redis,francischan714/redis,jackyan/redis,tzq668766/redis-3.0-annotated,PradheepShrinivasan/redis,wujf/redis,MasahikoSawada/redis,zhaobo1023/redis-3.0-annotated,shshlzh/redis-3.0-annotated,SyntaxStacks/redis,4396/redis,modulexcite/redis,blackmady/redis,YongMan/redis,nnog/redis,narma/redis,HeartSaVioR/redis,mingyaaaa/redis,netroby/redis,pcarrier/redis,roth1002/redis,maodeyi/redis_lua,tzq668766/redis-3.0-annotated,timothyohare/3rdPartySrc-redis,4396/redis,brg-liuwei/redis,wuyu201321060203/redis-3.0-annotated,shining-yang/redis,zhcy/redis,0x20h/redis,aim-for-better/redis,danny200309/annotated_redis_source,zhiliaoniu/redis,seppo0010/rlite-server,weizijun/redis,MSOpenTech/redis,onlymellb/redis-3.0-annotated,honestme/redis,yybirdcf/learn-redis,wujf/redis,mcanthony/redis,huyuezheng/redis,spearhead-ea/redis,atreeyang/redis,Wangyao14cyy/redis,zczhuohuo/redis,CodeJuan/redis,a-pavlov/redis,fankeke/redis-3.0-annotated,fengshao0907/redis,gilala/hredis,tanghaodong25/redis,zhiliaoniu/redis,elkingtonmcb/redis,jbochi/parallel_redis,ytjiang/redis,0x55/redis-3.0-annotated,linfangrong/redis,colstrom/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,wenxueliu/redis_comment,cnbin/redis,seandsky/redis,ituncle/redis,simplestbest/redis,huangz1990/experiment-redis,gechong/redis-3.0-annotated,elkingtonmcb/redis,mgk/redis,yuzhangjob/redis-3.0-annotated-unstable,AplayER/redis,kaushik94/redis,himoca/redis,danny200309/annotated_redis_source,rogerlz/redis,ksarch-saas/redis,slfs007/mk-redis,wuyu201321060203/redis-3.0-annotated,0x20h/redis,hedisdb/hedis,seandsky/redis,SummonY/redis,soloestoy/redis,ErikDubbelboer/redis,jbochi/parallel_redis,kaushik94/redis,unasm/redis-3.0-annotated,sunheehnus/redis,RepmujNetsik/redis,allengaller/redis,ramonsnir/redis,zhcy/redis,unasm/redis-3.0-annotated,mingyaaaa/redis,pedigree/redis,darksideofthemoo/redis-histogram,aluzzardi/redis,gilala/bjredis,yuhc/redis-benchmark-enhanced,tanghaodong25/redis,ketor/redis,pietern/redis,qiyang0221/redis,seppo0010/redis,mumingv/redis-3.0-annotated,brg-liuwei/redis,blackmady/redis,jasonkying/redis,flashbuckets/redis,ramonsnir/redis,gaoxianglong/redis,j0hnma/szredis,modulexcite/redis,izhoujie/redis,neomantra/redis,AALEKH/redis,ipmobiletech/redis,badboy/redis,pkdevbox/redis,qiyang0221/redis,YongMan/redis,vincent-vivian-liu/redis,mgk/redis,antirez/redis,h0x91b/redis,j0hnma/hszredis,HeartSaVioR/redis,gechong/redis-3.0-annotated,shining-yang/redis,YongMan/redis,nilyang/redis-tdd-annotation,AALEKH/redis,mgk/redis,wuxiaowei907/annotated_redis_source,spinlock/redis,jackyan/redis,itugs/redis,z-fork/redis,mattsta/redis,seandsky/redis,badboy/redis,alenslan/redis,oranagra/redis,Aaron1992/redis,ChaosCoo/annotated_redis_source,OmarQunsul/graph-redis,mverrilli/redis,qiyang0221/redis,YuraLukashik/redis,louisliangjun/redis,mengyou0304/redis,ytjiang/redis,ouyangkongtong/redis,z-fork/redis,elkingtonmcb/redis,arijitvt/redis,ksarch-saas/redis,riyan8250/redis,dongqifan2/redis-3.0-annotated,citusdata/redis,mrb/redis,dayuoba/redis,StevenTsai/redis,holstvoogd/redis,h0x91b/redis,mcanthony/redis,taoguan/redis,hgl888/redis,xuzhezhaozhao/redis_reading,takeshineshiro/redis,pietern/redis,hawkchch/redis,neomantra/redis,flashbuckets/redis,arijitvt/redis,tellapart/redis,mpalmer/redis,moonbingbing/redis-3.0-annotated,j0hnma/hszredis,splitice/redis,buobao/redis-3.0-annotated,roth1002/redis,kmiku7/redis,zguangyu/redis,MOON-CLJ/redis,vincent-vivian-liu/redis,Sciumo/redis,machicao2013/redis-source-annotated,holstvoogd/redis,Aaron1992/redis,modulexcite/redis,spearhead-ea/redis,huangz1990/redis-3.0-annotated,seppo0010/rlite-server,programmecat/redis,ofirluzon/redis,fankeke/redis-3.0-annotated,shreesundara/redis,davidradunz/redis,SummonY/redis,huangz1990/experiment-redis,StevenTsai/redis,magastzheng/redis-3.0-annotated,xlzhan/redis,dayuoba/redis,shshlzh/redis-3.0-annotated,janekmi/redis,timothyohare/3rdPartySrc-redis,hgl888/redis,gspandy/annotated_redis_source,xuguruogu/redis,slfs007/mk-redis,netroby/redis,spinlock/redis,nilyang/redis-tdd-annotation,simplestbest/redis,SyntaxStacks/redis,atreeyang/redis,Markgorden/redis,weizijun/redis,kensou97/redis,fengshao0907/redis-3.0-annotated,PKRoma/redis,soloestoy/redis,huangz1990/redis-3.0-annotated,drinkthere/redis-3.0-annotated,kensou97/redis,MSOpenTech/redis,gongice/redis-3.0-annotated,0x20h/redis,saisai/redis,tidatida/annotated_redis_source,tellapart/redis