get_path and expand bz added in rtdb
get_path and expand bz added in rtdb

henriquemiranda/yambopy,henriquemiranda/yambo-py,alexmoratalla/yambo-py,henriquemiranda/yambopy,henriquemiranda/yambo-py,alexandremorlet/yambopy,alexmoratalla/yambo-py,alexmoratalla/yambopy,palful/yambopy,alexandremorlet/yambopy,palful/yambopy,alexmoratalla/yambopy