Disable the locality shortcode if the Factual OAuth credentials are not supplied. Add success/warning messages to the Shortcode tab to show the current state of authentication with the Factual API.
Add support for wp_quadratum_locality filter.
Fix caching bug to correctly encode/decode cache entries containing JSON. Fix bug in wp_quadratum_locality filter, ensuring the filter's value is passed as the initial hook's argument.
Update screenshots for v1.3.1
Fixed bug in Foursquare authentication handling to that the plugin's admin screens display the OAuth steps in the correct order.
Update readme.txt for v1.3.1