update version.py and HISTORY

HISTORY.rst

@@ -8,6 +8,7 @@ History
 * Improved figure rendering.
 * Added text to point to acceptance of Copernicus ToU.
 * Placed MiSa.C logo centrally.
+* Change embedding from xyz to wms/wmts.
 
 
 0.3.1 (2023-09-22)

version.py

 # -*- coding: utf-8 -*-
 """Version module for MiSa.C HelpDesk."""
 
-__version__ = '0.3.1'
-__versionalias__ = '2023-09-22_01'
+__version__ = '0.4.0'
+__versionalias__ = '2023-09-25_01'