fixed PingHandler. it parsed, but didn't work.
fixed PingHandler. it parsed, but didn't work.

unicefuganda/edtrac,peterayeni/rapidsms,dimagi/rapidsms,ehealthafrica-ci/rapidsms,peterayeni/rapidsms,caktus/rapidsms,eHealthAfrica/rapidsms,lsgunth/rapidsms,caktus/rapidsms,catalpainternational/rapidsms,dimagi/rapidsms,lsgunth/rapidsms,ehealthafrica-ci/rapidsms,peterayeni/rapidsms,ken-muturi/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms,ken-muturi/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,caktus/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,ehealthafrica-ci/rapidsms,eHealthAfrica/rapidsms,ken-muturi/rapidsms,unicefuganda/edtrac,unicefuganda/edtrac,eHealthAfrica/rapidsms