Fix race condition in combination with nodePush

If a nodePush notification comes in *after* PHP fetched the new messages
from database, but before the server reply is received it may delay the
arrival of the new message up to a minute (where the automated timer kicks
in)

file/js/be.bastelstu.Chat.litcoffee

@@ -68,6 +68,7 @@ exposed by a function if necessary.
 			fish: null
 			
 		loading = false
+		loadingAwaiting = false
 		
 		autocomplete =
 				offset: 0
@@ -603,10 +604,16 @@ Fetch new messages from the server and pass them to `handleMessages`. The userli
 				complete: ->
 					loading = false
 					
+					if loadingAwaiting
+						loadingAwaiting = false
+						do getMessages
+
 Prevent loading messages in parallel.
 
 				beforeSend: ->
-					return false if loading
+					if loading
+						loadingAwaiting = true
+						return false
 						
 					loading = true