First post-beta1 bug fix :-(.  Silly typo in new coding for doNegate failed to negate a negative value back to positive, so '- - 123.45' did the wrong thing.
First post-beta1 bug fix :-(.  Silly typo in new coding for doNegate
failed to negate a negative value back to positive, so '- - 123.45'
did the wrong thing.

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