Fix: template string

src/library.liq

@@ -155,7 +155,7 @@ def get_output(source, device, name) =
             output.pulseaudio(id=name, client="AuraEngine Line OUT", source)
         end
     else
-        output_name = "${name}_DUMMY"
+        output_name = "#{name}_DUMMY"
         log("Using dummy output: " ^ output_name)
         output.dummy(id=output_name, blank())
     end

src/settings.liq

@@ -100,7 +100,7 @@ use_jack = soundsystem == "jack"
 
 version = process.read("cat ../VERSION")
 print("**************************************************************************************")
-print("AURA Engine:Core v" ^ version ^ " starting ...")
+print("AURA Engine:Core v#{version} starting ...")
 print("**************************************************************************************")
 
 alsa_use_buffer = ref (true)