Fix get and put operations when there is no job id.
Fix get and put operations when there is no job id.

When the job id is set to NULL, the offset parameter was still supplied to the request,
but the backend service was not happy with that and the operation failed.

SpectraLogic/ds3_c_sdk,rpmoore/ds3_c_sdk,DenverM80/ds3_c_sdk,shabtaisharon/ds3_c_sdk,chanchett/ds3_c_sdk,robertgrimm/ds3_c_sdk,TigerTechnology/ds3_c_sdk,SpectraLogic/ds3_c_sdk,rpmoore/ds3_c_sdk,robertgrimm/ds3_c_sdk,shabtaisharon/ds3_c_sdk,robertgrimm/ds3_c_sdk,robertgrimm/ds3_c_sdk,DenverM80/ds3_c_sdk,SpectraLogic/ds3_c_sdk,DenverM80/ds3_c_sdk,DenverM80/ds3_c_sdk,chanchett/ds3_c_sdk,rpmoore/ds3_c_sdk,shabtaisharon/ds3_c_sdk,TigerTechnology/ds3_c_sdk,TigerTechnology/ds3_c_sdk,SpectraLogic/ds3_c_sdk,chanchett/ds3_c_sdk,TigerTechnology/ds3_c_sdk