Non-object JSON roots

Updated parser to emit the `root` event for the top-level JSON value, not just objects & arrays.

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 node_modules/*
 npm_debug.log
+.idea

index.js

@@ -41,9 +41,9 @@ exports.parse = function (path, map) {
   if(!path || !path.length)
     path = null
 
-  parser.onValue = function () {
-    if (!this.root && this.stack.length == 1)
-      stream.root = this.value
+  parser.onValue = function (value) {
+    if (!this.root)
+      stream.root = value
 
     if(! path) return
 

test/non_object_roots.js

@@ -0,0 +1,16 @@
+var JSONStream = require('../');
+var it = require('it-is');
+var parser = JSONStream.parse();
+
+var succeeded = false;
+
+parser.on('root', function (value) {
+  it(value).equal(true);
+  succeeded = true;
+});
+
+parser.on('end', function() {
+  it(succeeded).equal(true);
+});
+
+parser.end('true');