README.md in motion-firebase-2.0.1 vs README.md in motion-firebase-2.0.7

@@ -85,10 +85,12 @@
     # firebase.queryEndingAtPriority(andChildName:)
     # firebase.queryLimitedToNumberOfChildren()
 
 ##### Managing presence
 
+    firebase.online!
+    firebase.offline!
     firebase.on_disconnect(value)
     firebase.on_disconnect(value) { |error| 'completion block' }
     firebase.on_disconnect(value, priority:priority)
     firebase.on_disconnect(value, priority:priority) { |error| 'completion block' }
     firebase.on_disconnect(nil)
@@ -104,10 +106,14 @@
     firebase.auth(credential) { |error, data| 'completion block' }
     firebase.auth(credential,
       completion: proc { |error, data| 'completion block' },
       disconnect: proc { |error| 'completion block', },
       )
+    # calls `unauth`, or if you pass a block calls `unauthWithCompletionBlock`
     firebase.unauth
+    firebase.unauth do |error|
+      # ...
+    end
     # when using FirebaseSimpleLogin to authenticate, this child node should be
     # monitored for changes
     firebase.auth_state
     # usually you'll want to monitor its value, so this is a helper for that:
     handle = firebase.on_auth do |snapshot|