v1.7.1

Changelog

• c9a57f3 chore: only list current servers
• a61ae53 chore: show error reason
• 3a85b77 chore: simplify ipinfo
• 741aa96 chore: wrap request func
• f3e4803 doc: add notice
• a58e550 feat: allow to change ping count
• 3db6ee6 feat: ensure server ip correct, check http status
• 9cff822 feat: filter stack in remote
• ee202b6 feat: pretty server list output
• 6634ae0 feat: use hosted api default
• b8da963 fix: check update after change transport
• 70095e3 fix: fetch isp info when needed