Rendering my first template with actually following paths.

Before I was hard-coding the path to the reference. Now I am following the full path programmatically using the new ContextElement and Walkable traits.

src/parser/parser.rs

@@ -57,13 +57,13 @@ pub struct Comment<'a> {
 }
 
 #[derive(Clone, Debug, PartialEq)]
-struct Path<'a> {
-    keys: Vec<&'a str>,
+pub struct Path<'a> {
+    pub keys: Vec<&'a str>,
 }
 
 #[derive(Clone, Debug, PartialEq)]
 pub struct Reference<'a> {
-    path: Path<'a>,
+    pub path: Path<'a>,
     filters: Vec<Filter>,
 }