fix(property): No visibility for extension

nodes/src/main/java/io/aexp/nodes/graphql/GraphQLRequestEntity.java

@@ -87,6 +87,10 @@ public Map<String, Object> getVariables() {
     public List<Class> getScalars() {
         return scalars;
     }
+
+    public Property getProperty() {
+    	return property;
+    }
 
     public void setRequestMethod(GraphQLTemplate.GraphQLMethod requestMethod) {
         this.requestMethod = requestMethod;

nodes/src/main/java/io/aexp/nodes/graphql/Property.java

@@ -17,7 +17,7 @@
 import java.util.List;
 import java.util.Map;
 
-final class Property {
+public final class Property {
 
     private String resourceName;
     private GraphQLTemplate.GraphQLMethod method;