R_2_4_4
Sebastian Pipping
Sync years in file headers
win32: Add missing files to the installer
Fix typos and add ICPSR full name
.gitignore: Add missing
.mailmap: Initialize Git mailmap
Actions: Upgrade Clang from 11 to 13
Actions: Split off Cppcheck to stop installing 13 unrelated Homebrew formulas
Increase precision in existing MIT headers based on Git history