Began work on rewriting parser without object orientation

Parsing is expensive, if the parse tree can be stored on the DB it can 
save a lot of compute time, but mongo can't store Classes, so we 
re-write without classes

app/imports/parser/parseTree/error.js

@@ -0,0 +1,17 @@
+const error = {
+  create({node, error}) {
+    return {
+      type: 'error',
+      node,
+      error,
+    }
+  },
+  compile(node){
+    return node;
+  },
+  toString(node){
+    return node.error.toString();
+  },
+}
+
+export default error;