Fixed bug caused when selector parameter were used in `.progress()`
---
`.progress()` 에서 selector 파라미터를 사용할 경우 발생하는 버그가 발견되어 수정, 재배포됐습니다.
1.7.2.4
1. Fixed a typo in the documentation link in the package 2. Modified menu_for_howtouse.py with dataframes to be associated with a .csv file for ease of modification. 3. Fixed a bug (Changing the language via set_language() caused an error in howtouse(). ) 4. Fixed a typo in several reporting sentences