IOS/OSX Networking updated brower

Browser.swift

browser.browseResultsChangedHandler = { results, changes in
    for result in results {
        if case NWEndpoint.service = result.endpoint {
            log("browser.browseResultsChangedHandler result: \(result)")
            if sharedConnection == nil {
                sharedConnection = Connection(endpoint: result.endpoint)
            }
        }
    }
}