AdvancedCustomFields/acf5-beta — pull request #221 by gmcmicken (2014-05-16 19:17:20+00:00)
Title: "Select" field ajax search case-insensitive

Field "Select" with option "Use AJAX ..." allows user to search a list
of choices. Changed behaviour from case-sensitive to case-insensitive,
as typically users do not capitalize while using an auto-complete style
search.