Ported the get_loop_elements wrapper.

src/renderer/context_element.rs

@@ -23,5 +23,5 @@ pub trait Loopable {
     /// once with the context being the element at that path. Finally,
     /// if its an array-like value then it will render n-times, once
     /// for each element of the array.
-    fn get_loop_elements(&self) -> Result<Vec<&dyn ContextElement>, RenderError>;
+    fn get_loop_elements(&self) -> Vec<&dyn ContextElement>;
 }