v1.7.0 Stable

What's Changed

Full Changelog: v1.6.10...v1.7.0

e2e secret chats
fix tcp connection closing goroutine leaks
user metion entities handle in formatting
streamed file uploads support
secret chats file uplaod / download support
rtmp stream management support
revamp inline query result setting methods
revamp button setting methods
updates - add lifecycle hook for every updates
middleware support for updates
fix a panic in GetFileName function
add IsAnonymous(), IsChannelPost etc helper methods to newmessage type
bind cache to userid