Make GeoCubeConnection WCS 2.1.0 compatible
The used package owslib does currently only support wcs 2.0.1 but rasdaman provides data in wcs 2.1.0 format. Therefore create a small workaround that still works to get data.
The used package owslib does currently only support wcs 2.0.1 but rasdaman provides data in wcs 2.1.0 format. Therefore create a small workaround that still works to get data.