Enhancements

Add support for tolerance option in Clash proxy groups.
Add options for specifying maximum allowed rulesets in external configs and generated rules.

base/pref.ini

@@ -234,6 +234,8 @@ log_level=info
 print_debug_info=false
 max_pending_connections=10240
 max_concurrent_threads=2
+max_allowed_rulesets=0
+max_allowed_rules=0
 enable_base_gen=false
 enable_cache=false
 cache_subscription=60