Fix documentation about game seed

restrict min and max stats to the limits allowed by the game seed
Allow the hex game seed to be used for starting adventures (it was annoying every time I had to convert to an int)

adventure/adventureresult.py

@@ -31,11 +31,11 @@ class GameSeed:
     This seed encodes the min and max stat range to reduce the pool size of monsters
     which is critical to making the monster RNG deterministic based on some seed.
 
-    The premise is similar to discord unique ID's. Encoding a timestamp after 26 bits.
+    The premise is similar to discord unique ID's. Encoding a timestamp after 30 bits.
     The 21st bit contains whether to prefer hp or diplomacy for the monster stats.
-    The next 20 bits contain the min and max. These are limited to 4095 bits.
+    The next 20 bits contain the min and max. These are limited to 16383 bits.
     Since the base monsters cap at 560 stat this should be good enough.
-    Custom monsters with higher stats will break this if they go above 4095.
+    Custom monsters with higher stats will break this if they go above 16383.
     """
 
     TIMESTAMP_SHIFT = 30
@@ -69,10 +69,10 @@ def hp_or_diplo(self):
         return 1 if self.stat_range.stat_type == "hp" else 0
 
     def min_stat(self):
-        return int(self.stat_range.min_stat)
+        return max(int(self.stat_range.min_stat), 0)
 
     def max_stat(self):
-        return int(self.stat_range.max_stat)
+        return min(int(self.stat_range.max_stat), 16383)
 
     def timestamp(self):
         # Strip the timestamp from the message ID

adventure/converters.py

@@ -715,15 +715,15 @@ async def autocomplete(self, interaction: discord.Interaction, current: str) ->
 
 class ChallengeConverter(Transformer):
     @classmethod
-    async def convert(cls, ctx: commands.Context, argument: str) -> str:
+    async def convert(cls, ctx: commands.Context, argument: str) -> Union[str, int]:
         if ctx.author.id not in (*ctx.bot.owner_ids, *DEV_LIST):
             return ""
         if argument.isnumeric():
             return int(argument)
         cog = ctx.bot.get_cog("Adventure")
         monsters, monster_stats, transcended = await cog.update_monster_roster()
         if argument not in monsters:
-            return ""
+            return int(argument, 16)
         return argument
 
     @classmethod