Fix build issues

src/lib/Protocols/AIP/ApplicationInformation.vala

@@ -9,8 +9,8 @@ namespace LibPeer.Protocols.Aip {
 
         public string application_namespace { get; protected set; }
 
-        public Bytes namespace_bytes { get {
-            return new Bytes(application_namespace[0:-2]);
+        public Bytes namespace_bytes { owned get {
+            return new Bytes(((uint8[])application_namespace)[0:-2]);
         }}
 
         public HashSet<Bytes> resource_set = new Gee.HashSet<Bytes>((a) => a.hash(), (a, b) => a.compare(b) == 0);

src/lib/Protocols/AIP/ApplicationInformationProtocol.vala

@@ -141,7 +141,7 @@ namespace LibPeer.Protocols.Aip {
             // Do we have any pending queries?
             if(pending_queries.length() > 0) {
                 // Clear the list
-                var queries = pending_queries;
+                var queries = pending_queries.copy();
                 pending_queries = null;
 
                 // Send pending queries
@@ -325,12 +325,15 @@ namespace LibPeer.Protocols.Aip {
             // Increment the query hops
             query.hops ++;
 
+            // Get query data
+            var query_data = query.data.get_data();
+
             // Find the query type
-            var query_type = query.data[0];
+            var query_type = query_data[0];
 
             if(query_type == QUERY_GROUP) {
                 // Get the group identifier
-                var group_id = query.data[1:-1];
+                var group_id = new Bytes(query_data[1:-1]);
 
                 // Are we not in this group, but joining all?
                 if(join_all_groups && !query_groups.has_key(group_id)) {
@@ -349,7 +352,7 @@ namespace LibPeer.Protocols.Aip {
             }
             else if(query_type == QUERY_APPLICATION) {
                 // Get the application namespace
-                var app_namespace = new Bytes(query.data[1:-1]);
+                var app_namespace = new Bytes(query_data[1:-1]);
 
                 // Are we in a group for this namespace?
                 if(query_groups.has_key(app_namespace)) {
@@ -368,10 +371,10 @@ namespace LibPeer.Protocols.Aip {
             }
             else if(query_type == QUERY_APPLICATION_RESOURCE) {
                 // Read the label
-                var label = new Bytes(query.data[1:33]);
+                var label = new Bytes(query_data[1:33]);
 
                 // Read the application namespace
-                var app_namespace = new Bytes(query.data[33:-1]);
+                var app_namespace = new Bytes(query_data[33:-1]);
 
                 // Are we in a group for this namespace?
                 if(query_groups.has_key(app_namespace)) {

src/lib/Protocols/STP/StreamTransmissionProtocol.vala

@@ -32,11 +32,15 @@ namespace LibPeer.Protocols.Stp {
             send_thread = new Thread<void>("STP Network Send Thread", send_loop);
         }
 
-        public Negotiation initialise_stream(InstanceReference target, uint8[] in_reply_to = EMPTY_REPLY_TO) {
+        public Negotiation initialise_stream(InstanceReference target, uint8[]? in_reply_to = null) {
             // Initiate a stream with another peer
             var session_id = new uint8[16];
             UUID.generate_random(session_id);
 
+            if(in_reply_to == null) {
+                in_reply_to = EMPTY_REPLY_TO;
+            }
+
             // Start the negotiation
             var negotiation = new Negotiation() {
                 session_id = new Bytes(session_id),