R_2_4_2
Sebastian Pipping
Actions(deps): Bump actions/checkout from 2.3.5 to 2.4.0
Set expected release date for 2.4.2
Fix typos and add ICPSR full name
Added Visual Studio 2013 solution/project files. Will also work in Visual Studio 2015 if VS 2013 is installed. Otherwise, open a "Visual Studio 2015 Developer Command Prompt" and execute "devenv.exe /upgrade expat.sln" in the expat directory to upgrade the main solution and project files (Tests have their own solutions).
.mailmap: Initialize Git mailmap
Increase precision in existing MIT headers based on Git history
Actions: Split off Cppcheck to stop installing 13 unrelated Homebrew formulas