adding logic to url escape the messages in the tester (cherry picked from commit e4dff7ff19bc981c3b1a064a52be7fe5d2cfd339)
adding logic to url escape the messages in the tester
(cherry picked from commit e4dff7ff19bc981c3b1a064a52be7fe5d2cfd339)

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