Added reverse relation using a "<--:"  and "-->:" on imports. "rel:" only supports outgoing relationships from a given node.
Added reverse relation using a "<--:"  and "-->:" on imports. "rel:" only supports outgoing relationships from a given node.

bjorngranvik/reudd,bjorngranvik/reudd,bjorngranvik/reudd,bjorngranvik/reudd