The engine uses a simpler backend interface
Switched to a simplified backend interface
Peers are purged from the backend when inactive
Fixed tests that was altering the execution path
The engine is honoring the numwant client parameter
Fixed missing dependency to async
The code is a little bit more clean
Removed uneeded compressible dependency
Minor code cleanup in http
Removed uneeded require
Using yargs camel case config keys for readability