add safeformat func

Author: kyb3r

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# v2.13.3
+
+### Fixed
+- a typo in the config options
+
 # v2.13.2
 
 ### Fixed

core/utils.py

@@ -5,6 +5,13 @@
 from discord import Object
 from discord.ext import commands
 
+class SafeDict(dict):
+    def __missing__(self, key):
+        return '{' + key + '}'
+        
+def safeformat(str, **kwargs):
+    replacements = SafeDict(**kwargs)
+    return str.format_map(replacements)
 
 class User(commands.IDConverter):
     """