Comment 4 for bug 1786524

I'm not putting a pull request on this yet because I'd like feedback on use cases, utility, etc... I have used it for three libraries at this point and am pretty happy with it.

user/rogan/lp1786524_patron_loading_script

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=commit;h=f636f32d18155cf48be7a58bf35d865ad8939142