In order for the gimme db token tool to work, your browser has to have cross-site cookies enabled. Safari disables them by default.
To enable the cookies:
Open Safari Preferences, by clicking on the `Safari` menu on the left of the menu bar, and clicking on `Preferences`, or by pressing `⌘,`.Click on the `Privacy` tab.
Uncheck the `Prevent cross-site tracking` check box.
Restart Safari.