added generic function to add new level or artwork set to tree
authorHolger Schemel <info@artsoft.org>
Sun, 13 Jan 2019 12:10:50 +0000 (13:10 +0100)
committerHolger Schemel <info@artsoft.org>
Sun, 13 Jan 2019 12:10:50 +0000 (13:10 +0100)

No differences found