v0.4.0

• Added bridging of friend nicks into DM room names.
• Added option to bypass homeserver for Discord media. See docs for more info.
• Added conversion of replies to embeds when sending messages via webhook.
• Added option to disable caching reuploaded media. This may be necessary when using a media repo that doesn't create a unique mxc URI for each upload.
• Improved formatting of error messages returned by Discord.
• Enabled discordgo info logs by default.
• Fixed limited backfill always stopping after 50 messages (thanks to @odrling in #81).
• Fixed startup sync to sync most recent private channels first.
• Fixed syncing group DM participants when they change.
• Possibly fixed inviting to portal rooms when multiple Matrix users use the bridge.