Minor updates (#174)

* Minor updates

* switch back to private set

Author: cbaker6

Sources/ParseSwift/LiveQuery/ParseLiveQuery+combine.swift

@@ -12,7 +12,7 @@ import Combine
 
 @available(macOS 10.15, iOS 13.0, macCatalyst 13.0, watchOS 6.0, tvOS 13.0, *)
 extension ParseLiveQuery {
-    // MARK: Functions - Combine
+    // MARK: Combine
 
     /**
      Manually establish a connection to the `ParseLiveQuery` Server. Publishes when established.