**Added**
- feat: make referenced testcase as pytest class
**Fixed**
- fix: ensure converted python file in utf-8 encoding
- fix: duplicate running referenced testcase
- fix: ensure compatibility issues between testcase format v2 and v3
- fix: ensure compatibility with deprecated cli args in v2, include --failfast/--report-file/--save-tests
- fix: UnicodeDecodeError when request body in protobuf
**Changed**
- change: make `allure-pytest`, `requests-toolbelt`, `filetype` as optional dependencies
- change: move all unittests to tests folder
- change: save testcase log in PWD/logs/ directory