Don’t try to advertise & scan on web lib reconnect

Now, when the web library reconnects, we only start BT advertising & scanning if it is not already running
New Debug System

Introducing the new debug system with sources and priority
Every log message from all sources is now gathered in XCode’s output and has a priority and a source assigned to it. A higher priority means the message is more likely to spam the log output, but can give deeper insights. Debug messages can be filtered by both priority and source.
Fixed bug when forwarding messages from web library to remote devices
Additional debug messages

Some more debug messages
Cleaned up CWDebug class