v6.6.5

[patch] fixed bug in URI match/params
[patch] better URI matching, reduced allocations
[patch] resources are released even in case of panic (deferred)
[-] added benchmark
[-] minor changes to the sample SSE implementation (refactored to use serviceworker)
[-] updated SSE README for clarity
[patch] refactored SSE for more capabilities of customizing
[-] improved reattempting of SSE reconnection, in the sample app
[patch] added hooks for create and remove clients from SSE active clients list
[-] removed os.ReadFile usage to make the sample app compatible with Go 1.13
[-] setting correct heading size for Server-Sent Eevents

[minor] added new Broadcast method to sse extension for easily broadcasting a message to all active clients (#40)
[-] updated sample app for making things prettier
[-] updated the JS in sample app to be modular, cleaner
[-] updated documentation and some cosmetic changes to the sample app

[minor] added helper method to get count of active clients
[patch] renamed GetClientMessageChan to ClientMessageChan
[-] updated the sample app's HTML page to show details slightly better
[-] breaking change in function name, since previous version was released only 24hrs ago. I considered it ok to break it this soon

[minor] Added a new extension for handling Server Sent Events (SSE)
[-] The example app shows how to use this