Changes since tag 2.01-release

commit 6b0e857506f78e24184cdbf61e4c0ef3f66401e6
Author: Hendrik Leppkes <h.leppkes@gmail.com>
Date:   Sat Mar 16 12:40:36 2019 +0100

    Fill in the map list by iterating over all known maps, in addition to processing the child tree

