Prints the current GloTK module and a `message`.
    Taken from biolite

def info(*messages):
    """
    Prints the current GloTK module and a `message`.
    Taken from biolite
    """
    sys.stderr.write("%s.%s: " % get_caller_info())
    sys.stderr.write(' '.join(map(str, messages)))
    sys.stderr.write('\n')