Fix for Issue 15

lib/yaml.js

@@ -238,8 +238,10 @@ Parser.prototype.parse = function() {
     case 'int':
       return parseInt(this.advanceValue())
     case 'true':
-      return true
+      this.advance();
+      return true;
     case 'false':
+      this.advance();
       return false
   }
 }