New Features
* check for previous server before scanning
* add check to see if previous server is active
* add save_server func
* add func to save config
* add arg to specify config_path
* add load_config function
* add pathlib import to template
Fixes
* fix request_model import replacement
Performance improvements
* shrink default port range
Others
* build v0.1.0
* update changelog
* update test