OpenRefine/OpenRefine — pull request #665 by FWennerdahl (2013-01-24 08:40:38+00:00)
Title: Fixed history and header update in IE

Due to Internet Explorer caching GET requests the Undo/Redo list and
column headers were not updated, leaving essential parts of the user
interface crippled even if Google Frame is installed. Adding
Cache-Control headers to the responses fixes this.