Robustness fixes for the R package (#318): version/input validation, case-insensitive variables, year filtering, httr2 - #7

Robustness fixes for the R package (#318): version/input validation, case-insensitive variables, year filtering, httr2#7

Yicheng-Zhao1999 wants to merge 2 commits into

KMueller-Lab:mainKMueller-Lab/Global-Macro-Database-R:mainfrom

Yicheng-Zhao1999:fix/robustness-318Yicheng-Zhao1999/Global-Macro-Database-R:fix/robustness-318Copy head branch name to clipboard