Implemented response status converter

app/src/main/java/com/cappielloantonio/play/subsonic/utils/converter/ResponseStatusConverter.java

@@ -0,0 +1,16 @@
+package com.cappielloantonio.play.subsonic.utils.converter;
+
+import com.cappielloantonio.play.subsonic.models.ResponseStatus;
+import com.tickaroo.tikxml.TypeConverter;
+
+public class ResponseStatusConverter implements TypeConverter<ResponseStatus> {
+    @Override
+    public ResponseStatus read(String value) throws Exception {
+        return new ResponseStatus(value);
+    }
+
+    @Override
+    public String write(ResponseStatus value) throws Exception {
+        return value.getValue();
+    }
+}