added method for loading files with its size and checksum info and building db collection
added method for loading files with its size and checksum info and
building db collection
imperial-genomics-facility/data-management-python,imperial-genomics-facility/data-management-python,imperial-genomics-facility/data-management-python,imperial-genomics-facility/data-management-python,imperial-genomics-facility/data-management-python