If the complevel file doesn't exist, try to read the complevel out of the config instead.

dcc/doom_base.py

@@ -71,6 +71,9 @@ class WadMap(Wad):
     def complevel(self):
         complevel = self.pwads.joinpath(self.wad).joinpath("complevel")
         if not complevel.exists():
+            complevel = self._config.get("complevel")
+            if complevel is not None:
+                return complevel
             raise Exception("No complevel set for wad {}.".format(self.wad))
 
         with io.open(complevel) as f: