spells also ordered by level

dungeonsheets/spells/spells.py

@@ -63,7 +63,7 @@ class Spell:
         return s
 
     def __repr__(self):
-        return '"{:s}"'.format(self.name)
+        return f"{self.level} {self.name}"
 
     def __eq__(self, other):
         return (self.name == other.name) and (self.level == other.level)
@@ -71,6 +71,9 @@ class Spell:
     def __hash__(self):
         return 0
 
+    def __lt__(self, other):
+        return (self.level, self.name) < (other.level, other.name)
+
     @property
     def component_string(self):
         s = f'{", ".join(self.components)}'