r0.5.0

Breaking changes:

Move r0::directory::get_public_rooms::PublicRoomsChunk to r0::directory::PublicRoomsChunk
Move r0::room::create_room::Visibility to r0::room::Visibility
Our Minimum Supported Rust Version is now 1.39.0
Move r0::account::register::AuthenticationData to r0::account::AuthenticationData

Improvements:

Update r0::directory::get_public_rooms from r0.3.0 to r0.6.0
Add r0::directory::get_public_rooms_filtered (introduced upstream in r0.3.0)
Add filter optional parameter to r0::sync::get_message_events (introduced upstream in r0.3.0)
Add r0::appservice::set_room_visibility (part of application service extensions for the client-server API)
Add contains_url to r0::filter::RoomEventFilter (introduced upstream in r0.3.0)
Update r0::account::change_password from r0.3.0 to r0.6.0
- Add optional auth field