Add comment to explain need for bizarre-looking coding in HandleSlashCmds.
Add comment to explain need for bizarre-looking coding in HandleSlashCmds.

cjcjameson/gpdb,rubikloud/gpdb,rvs/gpdb,ahachete/gpdb,tpostgres-projects/tPostgres,lpetrov-pivotal/gpdb,edespino/gpdb,zaksoup/gpdb,xuegang/gpdb,rvs/gpdb,xinzweb/gpdb,ahachete/gpdb,cjcjameson/gpdb,rvs/gpdb,xinzweb/gpdb,Chibin/gpdb,lintzc/gpdb,zaksoup/gpdb,kaknikhil/gpdb,edespino/gpdb,tangp3/gpdb,Chibin/gpdb,foyzur/gpdb,ashwinstar/gpdb,Quikling/gpdb,xinzweb/gpdb,postmind-net/postgres-xl,yazun/postgres-xl,CraigHarris/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,ovr/postgres-xl,tpostgres-projects/tPostgres,lisakowen/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,chrishajas/gpdb,janebeckman/gpdb,janebeckman/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,adam8157/gpdb,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,tpostgres-projects/tPostgres,foyzur/gpdb,atris/gpdb,jmcatamney/gpdb,Quikling/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,arcivanov/postgres-xl,edespino/gpdb,rubikloud/gpdb,royc1/gpdb,jmcatamney/gpdb,arcivanov/postgres-xl,adam8157/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,snaga/postgres-xl,atris/gpdb,rvs/gpdb,adam8157/gpdb,lintzc/gpdb,atris/gpdb,Quikling/gpdb,50wu/gpdb,xuegang/gpdb,CraigHarris/gpdb,royc1/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,pavanvd/postgres-xl,zeroae/postgres-xl,oberstet/postgres-xl,Quikling/gpdb,greenplum-db/gpdb,atris/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,janebeckman/gpdb,snaga/postgres-xl,yuanzhao/gpdb,cjcjameson/gpdb,foyzur/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,rubikloud/gpdb,yuanzhao/gpdb,50wu/gpdb,zeroae/postgres-xl,janebeckman/gpdb,chrishajas/gpdb,ovr/postgres-xl,tangp3/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,xuegang/gpdb,randomtask1155/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,kaknikhil/gpdb,lintzc/gpdb,oberstet/postgres-xl,adam8157/gpdb,ahachete/gpdb,CraigHarris/gpdb,yuanzhao/gpdb,Quikling/gpdb,Quikling/gpdb,lisakowen/gpdb,ahachete/gpdb,edespino/gpdb,rvs/gpdb,royc1/gpdb,techdragon/Postgres-XL,zaksoup/gpdb,kaknikhil/gpdb,snaga/postgres-xl,janebeckman/gpdb,rvs/gpdb,ovr/postgres-xl,kaknikhil/gpdb,pavanvd/postgres-xl,chrishajas/gpdb,rubikloud/gpdb,zaksoup/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,yazun/postgres-xl,50wu/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,xinzweb/gpdb,jmcatamney/gpdb,Chibin/gpdb,atris/gpdb,royc1/gpdb,rvs/gpdb,ovr/postgres-xl,chrishajas/gpdb,adam8157/gpdb,chrishajas/gpdb,Chibin/gpdb,cjcjameson/gpdb,lintzc/gpdb,Quikling/gpdb,greenplum-db/gpdb,lpetrov-pivotal/gpdb,0x0FFF/gpdb,techdragon/Postgres-XL,tangp3/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,edespino/gpdb,xuegang/gpdb,adam8157/gpdb,foyzur/gpdb,chrishajas/gpdb,ashwinstar/gpdb,xinzweb/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,randomtask1155/gpdb,chrishajas/gpdb,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,cjcjameson/gpdb,edespino/gpdb,oberstet/postgres-xl,Chibin/gpdb,foyzur/gpdb,greenplum-db/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,Chibin/gpdb,0x0FFF/gpdb,adam8157/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,ahachete/gpdb,kmjungersen/PostgresXL,arcivanov/postgres-xl,zeroae/postgres-xl,tangp3/gpdb,kaknikhil/gpdb,foyzur/gpdb,postmind-net/postgres-xl,Quikling/gpdb,CraigHarris/gpdb,atris/gpdb,Chibin/gpdb,atris/gpdb,rubikloud/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,randomtask1155/gpdb,tangp3/gpdb,xinzweb/gpdb,randomtask1155/gpdb,janebeckman/gpdb,lisakowen/gpdb,xinzweb/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,yazun/postgres-xl,foyzur/gpdb,xuegang/gpdb,edespino/gpdb,janebeckman/gpdb,50wu/gpdb,janebeckman/gpdb,50wu/gpdb,Chibin/gpdb,arcivanov/postgres-xl,zeroae/postgres-xl,ashwinstar/gpdb,tangp3/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,atris/gpdb,CraigHarris/gpdb,techdragon/Postgres-XL,50wu/gpdb,xuegang/gpdb,lisakowen/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,rvs/gpdb,rvs/gpdb,royc1/gpdb,yazun/postgres-xl,foyzur/gpdb,arcivanov/postgres-xl,tangp3/gpdb,oberstet/postgres-xl,rubikloud/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,Chibin/gpdb,tpostgres-projects/tPostgres,randomtask1155/gpdb,edespino/gpdb,lintzc/gpdb,jmcatamney/gpdb,lintzc/gpdb,kmjungersen/PostgresXL,lisakowen/gpdb,jmcatamney/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,snaga/postgres-xl,postmind-net/postgres-xl,royc1/gpdb,ahachete/gpdb,royc1/gpdb,Quikling/gpdb,CraigHarris/gpdb,ahachete/gpdb,janebeckman/gpdb,cjcjameson/gpdb,edespino/gpdb,chrishajas/gpdb,lpetrov-pivotal/gpdb,Postgres-XL/Postgres-XL,yazun/postgres-xl,adam8157/gpdb,cjcjameson/gpdb,zeroae/postgres-xl,yuanzhao/gpdb,50wu/gpdb,ahachete/gpdb,postmind-net/postgres-xl,royc1/gpdb,xinzweb/gpdb,xuegang/gpdb,snaga/postgres-xl,tangp3/gpdb,rubikloud/gpdb,CraigHarris/gpdb,ovr/postgres-xl,greenplum-db/gpdb,rubikloud/gpdb,lisakowen/gpdb,edespino/gpdb,pavanvd/postgres-xl,oberstet/postgres-xl,kmjungersen/PostgresXL,randomtask1155/gpdb,jmcatamney/gpdb,0x0FFF/gpdb,50wu/gpdb,zaksoup/gpdb,xuegang/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,ashwinstar/gpdb,0x0FFF/gpdb,lintzc/gpdb