Change notes

1.0.0

This release brings some breaking changes

Replaced builtin CM server list with automatic discovery via WebAPI or DNS
Removed steam.client.mixins package
Renamed medium param to backend on SteamAuthenticator
Added WebAuth.cli_login(), handles all steps of the login process
Made password param optional on WebAuth
Replaced cryptography library with pycryptodomex
Added rich_presence property to SteamUser
Fixed create_emergency_codes() not returning codes
Fixed validate_phone_number() returning no data
Added protos for new chat via unified messages
Updated protobufs
Removed SteamClient.change_email()
Removed SteamClient.create_account()
SteanClient.unified_messages now expose errors by returning a tuple (result, error)
get_product_info() now replaces invalid unicode chars
Updated SteamID.is_valid
Updated various Enums