Update README.md (#57)

Add db caching layer

Add eval command

Move shard stats to embed description due to limit

Switch to ShardManager

Restructure all admin commands under /please

Add permission check to help and post server count

Fix bot presence and add more analytics

Make exmples more explicit

Show used memory of full system

Fix substring parameters error

Show original input as part of the suggestion

Allow commands to be reloaded

/timer with no arguments runs last timer

Catch all exceptions