Major bug fixes and multiple attachment changes

Macros now support up to 3 attachments.
One image attachment will be shown in the embed
The other attachments will be linked at the bottom of the embed text
Attachments that are not the embedded image are uploaded to a private channel to have them linked nicely

BUILD THE BOT FROM SOURCE TO USE YOURSELF!
READ THE README FOR WHAT TO CHANGE
THIS BOT IS INTENDED FOR LCVR