cqlsh: fix formatting of map keys and values
cqlsh: fix formatting of map keys and values

Patch by Tyler Hobbs; reviewed by Philip Thompson for CASSANDRA-9114

snazy/cassandra,Instagram/cassandra,newrelic-forks/cassandra,hengxin/cassandra,modempachev4/kassandra,WorksApplications/cassandra,christian-esken/cassandra,weipinghe/cassandra,sedulam/CASSANDRA-12201,codefollower/Cassandra-Research,aweisberg/cassandra,adejanovski/cassandra,jasobrown/cassandra,carlyeks/cassandra,likaiwalkman/cassandra,boneill42/cassandra,Jollyplum/cassandra,hengxin/cassandra,mike-tr-adamson/cassandra,mkjellman/cassandra,yangzhe1991/cassandra,kangkot/stratio-cassandra,juiceblender/cassandra,pcn/cassandra-1,weipinghe/cassandra,pcmanus/cassandra,bcoverston/cassandra,RyanMagnusson/cassandra,fengshao0907/cassandra-1,Jaumo/cassandra,guard163/cassandra,ben-manes/cassandra,boneill42/cassandra,instaclustr/cassandra,jrwest/cassandra,AtwooTM/cassandra,jbellis/cassandra,tommystendahl/cassandra,pauloricardomg/cassandra,rdio/cassandra,ollie314/cassandra,stef1927/cassandra,thobbs/cassandra,belliottsmith/cassandra,ben-manes/cassandra,josh-mckenzie/cassandra,bpupadhyaya/cassandra,yangzhe1991/cassandra,snazy/cassandra,swps/cassandra,aarushi12002/cassandra,Stratio/stratio-cassandra,mheffner/cassandra-1,jbellis/cassandra,stef1927/cassandra,likaiwalkman/cassandra,darach/cassandra,MasahikoSawada/cassandra,yangzhe1991/cassandra,strapdata/cassandra,likaiwalkman/cassandra,iamaleksey/cassandra,pthomaid/cassandra,pauloricardomg/cassandra,ifesdjeen/cassandra,mt0803/cassandra,helena/cassandra,strapdata/cassandra,newrelic-forks/cassandra,yukim/cassandra,WorksApplications/cassandra,wreda/cassandra,kangkot/stratio-cassandra,bmel/cassandra,sivikt/cassandra,michaelsembwever/cassandra,dongjiaqiang/cassandra,tommystendahl/cassandra,cooldoger/cassandra,pauloricardomg/cassandra,jeromatron/cassandra,exoscale/cassandra,DikangGu/cassandra,aboudreault/cassandra,chaordic/cassandra,jeromatron/cassandra,blerer/cassandra,jsanda/cassandra,jasonstack/cassandra,spodkowinski/cassandra,pcn/cassandra-1,krummas/cassandra,nutbunnies/cassandra,JeremiahDJordan/cassandra,joesiewert/cassandra,mkjellman/cassandra,christian-esken/cassandra,nitsanw/cassandra,GabrielNicolasAvellaneda/cassandra,apache/cassandra,blambov/cassandra,pcmanus/cassandra,carlyeks/cassandra,aboudreault/cassandra,bpupadhyaya/cassandra,szhou1234/cassandra,jeffjirsa/cassandra,scaledata/cassandra,jasobrown/cassandra,ben-manes/cassandra,DikangGu/cassandra,bmel/cassandra,DikangGu/cassandra,jasonwee/cassandra,yonglehou/cassandra,Stratio/stratio-cassandra,ollie314/cassandra,beobal/cassandra,adelapena/cassandra,weipinghe/cassandra,Imran-C/cassandra,nitsanw/cassandra,a-buck/cassandra,ptnapoleon/cassandra,tongjixianing/projects,chbatey/cassandra-1,dongjiaqiang/cassandra,hengxin/cassandra,mshuler/cassandra,MasahikoSawada/cassandra,jasobrown/cassandra,cooldoger/cassandra,weideng1/cassandra,kgreav/cassandra,JeremiahDJordan/cassandra,scaledata/cassandra,chaordic/cassandra,beobal/cassandra,jkni/cassandra,belliottsmith/cassandra,ifesdjeen/cassandra,krummas/cassandra,whitepages/cassandra,apache/cassandra,Instagram/cassandra,adelapena/cassandra,thobbs/cassandra,thelastpickle/cassandra,rdio/cassandra,aureagle/cassandra,regispl/cassandra,apache/cassandra,bdeggleston/cassandra,asias/cassandra,weideng1/cassandra,instaclustr/cassandra,WorksApplications/cassandra,blerer/cassandra,jrwest/cassandra,jeffjirsa/cassandra,aureagle/cassandra,mshuler/cassandra,darach/cassandra,modempachev4/kassandra,yukim/cassandra,mheffner/cassandra-1,clohfink/cassandra,aweisberg/cassandra,adejanovski/cassandra,driftx/cassandra,Imran-C/cassandra,rdio/cassandra,hhorii/cassandra,mike-tr-adamson/cassandra,instaclustr/cassandra,guard163/cassandra,clohfink/cassandra,yanbit/cassandra,mashuai/Cassandra-Research,jbellis/cassandra,GabrielNicolasAvellaneda/cassandra,jsanda/cassandra,ejankan/cassandra,sharvanath/cassandra,rmarchei/cassandra,ifesdjeen/cassandra,jasobrown/cassandra,rogerchina/cassandra,Imran-C/cassandra,pallavi510/cassandra,driftx/cassandra,clohfink/cassandra,belliottsmith/cassandra,jrwest/cassandra,beobal/cassandra,yhnishi/cassandra,rmarchei/cassandra,iamaleksey/cassandra,kangkot/stratio-cassandra,mheffner/cassandra-1,bmel/cassandra,scaledata/cassandra,codefollower/Cassandra-Research,a-buck/cassandra,regispl/cassandra,thobbs/cassandra,vaibhi9/cassandra,whitepages/cassandra,strapdata/cassandra,szhou1234/cassandra,ptuckey/cassandra,rogerchina/cassandra,bdeggleston/cassandra,vaibhi9/cassandra,knifewine/cassandra,macintoshio/cassandra,blerer/cassandra,dkua/cassandra,hhorii/cassandra,jeffjirsa/cassandra,jkni/cassandra,jasonwee/cassandra,adejanovski/cassandra,jeffjirsa/cassandra,newrelic-forks/cassandra,pofallon/cassandra,darach/cassandra,yukim/cassandra,jsanda/cassandra,carlyeks/cassandra,fengshao0907/cassandra-1,michaelmior/cassandra,caidongyun/cassandra,chbatey/cassandra-1,fengshao0907/Cassandra-Research,sluk3r/cassandra,macintoshio/cassandra,guard163/cassandra,iburmistrov/Cassandra,ptuckey/cassandra,sedulam/CASSANDRA-12201,kgreav/cassandra,pallavi510/cassandra,pauloricardomg/cassandra,DICL/cassandra,vramaswamy456/cassandra,vramaswamy456/cassandra,Stratio/stratio-cassandra,juiceblender/cassandra,stef1927/cassandra,hhorii/cassandra,pkdevbox/cassandra,a-buck/cassandra,fengshao0907/cassandra-1,aureagle/cassandra,blambov/cassandra,ejankan/cassandra,ejankan/cassandra,michaelsembwever/cassandra,chaordic/cassandra,stef1927/cassandra,modempachev4/kassandra,codefollower/Cassandra-Research,Jollyplum/cassandra,RyanMagnusson/cassandra,caidongyun/cassandra,juiceblender/cassandra,xiongzheng/Cassandra-Research,clohfink/cassandra,MasahikoSawada/cassandra,fengshao0907/Cassandra-Research,ptuckey/cassandra,kangkot/stratio-cassandra,Jaumo/cassandra,tongjixianing/projects,josh-mckenzie/cassandra,pthomaid/cassandra,tjake/cassandra,boneill42/cassandra,macintoshio/cassandra,juiceblender/cassandra,scylladb/scylla-tools-java,mshuler/cassandra,snazy/cassandra,michaelmior/cassandra,caidongyun/cassandra,tommystendahl/cassandra,Instagram/cassandra,mshuler/cassandra,RyanMagnusson/cassandra,mike-tr-adamson/cassandra,aboudreault/cassandra,emolsson/cassandra,instaclustr/cassandra,phact/cassandra,sharvanath/cassandra,pkdevbox/cassandra,kangkot/stratio-cassandra,strapdata/cassandra,josh-mckenzie/cassandra,szhou1234/cassandra,yanbit/cassandra,jeromatron/cassandra,bdeggleston/cassandra,aweisberg/cassandra,pallavi510/cassandra,GabrielNicolasAvellaneda/cassandra,yonglehou/cassandra,pcn/cassandra-1,bpupadhyaya/cassandra,ifesdjeen/cassandra,regispl/cassandra,tjake/cassandra,scylladb/scylla-tools-java,sedulam/CASSANDRA-12201,sivikt/cassandra,michaelsembwever/cassandra,sharvanath/cassandra,iamaleksey/cassandra,swps/cassandra,michaelmior/cassandra,mambocab/cassandra,helena/cassandra,pkdevbox/cassandra,yukim/cassandra,nitsanw/cassandra,AtwooTM/cassandra,scylladb/scylla-tools-java,yonglehou/cassandra,tjake/cassandra,blerer/cassandra,Bj0rnen/cassandra,xiongzheng/Cassandra-Research,spodkowinski/cassandra,knifewine/cassandra,jasonwee/cassandra,pofallon/cassandra,vramaswamy456/cassandra,spodkowinski/cassandra,WorksApplications/cassandra,yanbit/cassandra,thelastpickle/cassandra,tongjixianing/projects,sivikt/cassandra,christian-esken/cassandra,aarushi12002/cassandra,bcoverston/cassandra,nutbunnies/cassandra,thelastpickle/cassandra,blambov/cassandra,mashuai/Cassandra-Research,iburmistrov/Cassandra,mambocab/cassandra,dkua/cassandra,tommystendahl/cassandra,Jollyplum/cassandra,emolsson/cassandra,Stratio/stratio-cassandra,kgreav/cassandra,thelastpickle/cassandra,krummas/cassandra,joesiewert/cassandra,pthomaid/cassandra,bcoverston/cassandra,mkjellman/cassandra,driftx/cassandra,dkua/cassandra,joesiewert/cassandra,michaelsembwever/cassandra,ptnapoleon/cassandra,chbatey/cassandra-1,pcmanus/cassandra,bdeggleston/cassandra,mt0803/cassandra,spodkowinski/cassandra,exoscale/cassandra,jrwest/cassandra,pofallon/cassandra,knifewine/cassandra,adelapena/cassandra,mambocab/cassandra,Jaumo/cassandra,ptnapoleon/cassandra,kgreav/cassandra,krummas/cassandra,Bj0rnen/cassandra,iamaleksey/cassandra,beobal/cassandra,helena/cassandra,aweisberg/cassandra,emolsson/cassandra,cooldoger/cassandra,AtwooTM/cassandra,snazy/cassandra,Bj0rnen/cassandra,aarushi12002/cassandra,josh-mckenzie/cassandra,weideng1/cassandra,asias/cassandra,mashuai/Cassandra-Research,ollie314/cassandra,DICL/cassandra,DICL/cassandra,JeremiahDJordan/cassandra,jkni/cassandra,mkjellman/cassandra,swps/cassandra,rmarchei/cassandra,exoscale/cassandra,Instagram/cassandra,Stratio/stratio-cassandra,szhou1234/cassandra,jasonstack/cassandra,bcoverston/cassandra,yhnishi/cassandra,blambov/cassandra,driftx/cassandra,dongjiaqiang/cassandra,wreda/cassandra,wreda/cassandra,tjake/cassandra,phact/cassandra,whitepages/cassandra,phact/cassandra,cooldoger/cassandra,rogerchina/cassandra,iburmistrov/Cassandra,apache/cassandra,jasonstack/cassandra,yhnishi/cassandra,xiongzheng/Cassandra-Research,nutbunnies/cassandra,mt0803/cassandra,adelapena/cassandra,sluk3r/cassandra,sluk3r/cassandra,asias/cassandra,vaibhi9/cassandra,scylladb/scylla-tools-java,belliottsmith/cassandra,fengshao0907/Cassandra-Research,mike-tr-adamson/cassandra