Places a segment of data before the last piece of data stored. The
server on which the object where we will be prepending data is stored
on is specified by the master_key parameter.
@paramin master_key key of server where object is stored
@paramin key key of object whose value we will prepend data to
@paramin value data to prepend to object's value
@return true on success; false otherwise
Places a segment of data before the last piece of data stored. The server on which the object where we will be prepending data is stored on is specified by the master_key parameter.
@paramin master_key key of server where object is stored @paramin key key of object whose value we will prepend data to @paramin value data to prepend to object's value @return true on success; false otherwise