Empty Message Fix (code: 50006)

Fixes a bug that recently resulted in embeds being rejected by the Discord API. Special thanks to @quirinux and @gmjosack!

Fix File Embeds

Fixes file embeds getting corrupted while being sent to Discord.

Rails Autoloading Fix

Fixes an issue with Rails autoloading - you shouldn't need to require the gem anymore

Attachment Support

Simplifies the code and adds support for Attachments