Separated parser class nodes and began writing compile methods

app/imports/parser/parseTree/ParseNode.js

@@ -0,0 +1,14 @@
+export default class ParseNode {
+  // Compiling a node must return a ConstantNode
+  compile(){
+    throw new Meteor.Error('Compile not implemented on ' + this);
+  }
+	// Compile, but turn rolls into arrays
+  roll(){
+    return this.compile();
+  }
+	// Compile, turn rolls into arrays, and reduce those arrays into single values
+	reduce(){
+		return this.compileAndRoll()
+	}
+}