Fix version in docs/source/config.py.

docs/source/conf.py

@@ -12,9 +12,9 @@ copyright = '2020, University of Edinburgh'
 author = 'Ulrich Germann'
 
 # The short X.Y version
-version = ''
+version = '1.0'
 # The full version, including alpha/beta/rc tags
-release = '1'
+release = '1.0.0a'
 
 
 # -- General configuration ---------------------------------------------------