Fixing the behavior of the hooks krasimir#182 krasimir#174

Fixing the leave hook

Using href instead of pathname to fetch a link's url krasimir#166

Fixing a bug while using hash based routing

Fixing the behavior of getOnlyURL helper

Returning the name of a route in lastRouteResolved

Adding a new historyAPIUpdateMethod API method

5.2.0 release

Proper handling of encoded URL param krasimir#116