Add support for Xcode 13

Remove absolute image location in readme

Use standard random function

# Conflicts:
#	Sources/Atem/Connection.swift

Add commandline version dumper

Update SPM instructions

Delete autogenerated xcodeproj

Delete autogenerated xcodeproj

Specify Swift-NIO version tag

Add Lock, InitiationComplete & SourceTallies

Added new messages + published Topology Message

fix tests