added auth param to _request_get and _request_put to prevent 401 when using xnat datastore#1838

SachidanandAlle merged 1 commit intoProject-MONAI:mainProject-MONAI/MONAILabel:mainfrom

Ben-Herz:bugfix-xnat-401-when-request-xnat-proj-listBen-Herz/MONAILabel:bugfix-xnat-401-when-request-xnat-proj-listCopy head branch name to clipboard