UK: refactor, add _instance_upload
UK: refactor, add _instance_upload

qlands/onadata,eHealthAfrica/onadata,sounay/flaminggo-test,mainakibui/kobocat,eHealthAfrica/onadata,spatialdev/onadata,smn/onadata,spatialdev/onadata,jomolinare/kobocat,awemulya/fieldsight-kobocat,kobotoolbox/kobocat,hnjamba/onaclone,ehealthafrica-ci/onadata,eHealthAfrica/onadata,piqoni/onadata,smn/onadata,piqoni/onadata,awemulya/fieldsight-kobocat,GeoODK/onadata,sounay/flaminggo-test,mainakibui/kobocat,jomolinare/kobocat,piqoni/onadata,ehealthafrica-ci/onadata,qlands/onadata,ehealthafrica-ci/onadata,mainakibui/kobocat,hnjamba/onaclone,qlands/onadata,mainakibui/kobocat,spatialdev/onadata,qlands/onadata,kobotoolbox/kobocat,sounay/flaminggo-test,ehealthafrica-ci/onadata,kobotoolbox/kobocat,awemulya/fieldsight-kobocat,awemulya/fieldsight-kobocat,sounay/flaminggo-test,piqoni/onadata,spatialdev/onadata,jomolinare/kobocat,GeoODK/onadata,smn/onadata,kobotoolbox/kobocat,hnjamba/onaclone,jomolinare/kobocat,hnjamba/onaclone,GeoODK/onadata,GeoODK/onadata,smn/onadata