새로운 기능
[`769673e`](https://github.com/sohnryang/boj-tool/commit/769673eee3aad4b772c6acd5377eb3d4d92a888c): 전적 검색 기능 추가
기타
[`8b31e2c`](https://github.com/sohnryang/boj-tool/commit/8b31e2cf6e865c156252dba6906f6d3c92283e0f): hardcoding된 ANSI color code를 [colorama](https://pypi.org/project/colorama/)를 이용하여 윈도를 지원하도록 바꿈