edited README.md

$topalbum and $toptrack are now set up as embeds

Created random number generator utility class

Implemented basic form of $topalbum and $toptrack commands

Minor formatting/using statement changes and redundant if statements removed

Update README.md

Implemented basic lyric grabbing command, unfortunately hindered by Discords 2000 char limit.

Set Discord.Net version back to 2.0.0

Downgraded Unity to hopefully resolve failing build error.

Updated Discord.Net version to 2.1.0, updated Unity version to 5.10.3

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md