Fix failed to download subscriptions, configs and rulesets due to bad implementation of download size checker.
Remove base pre-generation function.
Refactor code base.
Fix not adding local rulesets as Clash rule-providers.
Add "nullnode" as node placeholder to export configurations without adding any real node.
Add support for using !!import in source subscription URLs.
Add support for allowInsecure and tfo argument in Trojan links.
Optimize codes.
Fix potential segmentation fault error due to some incorrect copy assignments.
Fix potential crash due to incorrect usage of cURL library.
Fix potential memory leak causing memory usage to be too high.
Add /qx-rewrite and /qx-script interface to add device ID to scripts for some version of Quantumult X.
Add policy-path parsing support for /surge2clash interface.
Add interval/strict options support for managed config.
Add filename option for setting file name when downloading exported subscriptions.
Optimize codes.
Fix a potential random crash on non-Windows platforms.
Fix compatibility with some non-standard Shadowsocks and Shadowcsocks Android subscriptions.
Optimize codes.