[Bugfix] Truncate message if too long

cron.py

@@ -136,7 +136,7 @@ def cron():
                 # print(f"p_row['value']: {p_row['value']} != new_value: '{new_value}'")
                 if str(p_row['value']) != str(new_value):
                     if len(messages) >1750:
-                        _send(player['maintainer'], messages)
+                        _send(player['maintainer'], messages[:2000])
                         messages = ''
                     if messages:
                         messages += '\n'