ClawTunnel Windows x64 patched build.

This build includes the bulk TCP/SFTP fixes used for AnimeFu ClawTunnel.

Example bind:
  clawtunnel.exe bind --mode tcp --name ftp --code TZ8PJS --server wss://claw.animefu.space --target localhost:22 --token YOUR_BIND_TOKEN

Example access:
  clawtunnel.exe access --server animefu.space:3680 --code TZ8PJS --listen 127.0.0.1:2222
