make sure that the get function exits successfully in absence of variable value
make sure that the get function exits successfully in absence of variable value

git-svn-id: f1325d765b86db8550d2145f7bc93fd34e7a3d5a@668137 13f79535-47bb-0310-9956-ffa450edef68

benoitc/bigcouch,benoitc/couchit_experiment,breezjw/bigcouch,PerilousApricot/bigcouch,KlausTrainer/bigcouch,andrejb/cloudant_bigcouch,benoitc/bigcouch,Asquera/bigcouch,kofron/bigcouch,davidcoallier/bigcouch,benoitc/bigcouch,andrejb/cloudant_bigcouch,Asquera/bigcouch,linearregression/bigcouch,fkaempfer/couchdb,andrejb/cloudant_bigcouch,PerilousApricot/bigcouch,KlausTrainer/bigcouch,fkaempfer/couchdb,Gussy/bigcouch,Gussy/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,breezjw/bigcouch,Gussy/bigcouch,georgemarshall/bigcouch,breezjw/bigcouch,fkaempfer/couchdb,benoitc/bigcouch,davidcoallier/bigcouch,georgemarshall/bigcouch,Gussy/bigcouch,linearregression/bigcouch,cloudant/bigcouch,KlausTrainer/bigcouch,fkaempfer/couchdb,benoitc/couchit_experiment,Asquera/bigcouch,bittorrent/bigcouch,linearregression/bigcouch,davidcoallier/bigcouch,breezjw/bigcouch,davidcoallier/bigcouch,Gussy/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,benoitc/bigcouch,PerilousApricot/bigcouch,Asquera/bigcouch,davidcoallier/bigcouch,Gussy/bigcouch,kofron/bigcouch,benoitc/couchit_experiment,KlausTrainer/bigcouch,davidcoallier/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,bittorrent/bigcouch,andrejb/cloudant_bigcouch,linearregression/bigcouch,cloudant/bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,Asquera/bigcouch,cloudant/bigcouch,kofron/bigcouch,fkaempfer/couchdb,PerilousApricot/bigcouch,KlausTrainer/bigcouch,georgemarshall/bigcouch,benoitc/couchit_experiment,KlausTrainer/bigcouch,PerilousApricot/bigcouch,breezjw/bigcouch,georgemarshall/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,kofron/bigcouch,benoitc/bigcouch,georgemarshall/bigcouch,Asquera/bigcouch,andrejb/cloudant_bigcouch,bittorrent/bigcouch,cloudant/bigcouch,benoitc/couchit_experiment,linearregression/bigcouch,cloudant/bigcouch,breezjw/bigcouch,fkaempfer/couchdb,PerilousApricot/bigcouch,linearregression/bigcouch,bittorrent/bigcouch