* Fix - Issue where decimal values/rules not being honored -- missing round distance down to 1 decimal places towards zero, when it's half way there.
* Fix - Issue where transient is not used properly.
* Tweak - Added filter for Distrance Matrix API response.
* Tweak - Added show duration option as cost label suffix.
* Tweak - Better formatting of request and resopnse in debug message.
* Fix - Issue where multiple instances returns only one rate.
* Tweak - Refine state and country in address lookup.
