diff --git a/core/lib/PatternLab/JSON.php b/core/lib/PatternLab/JSON.php
new file mode 100644
index 0000000..b824d3e
--- /dev/null
+++ b/core/lib/PatternLab/JSON.php
@@ -0,0 +1,51 @@
+<?php
+
+/*!
+ * Pattern Lab Pattern JSON Class - v0.7.12
+ *
+ * Copyright (c) 2014 Dave Olsen, http://dmolsen.com
+ * Licensed under the MIT license
+ *
+ */
+
+namespace PatternLab;
+
+use \Seld\JsonLint;
+
+class JSON {
+	
+	protected static $errors = array(
+		JSON_ERROR_NONE             => false,
+		JSON_ERROR_DEPTH            => 'Maximum stack depth exceeded',
+		JSON_ERROR_STATE_MISMATCH   => 'Underflow or the modes mismatch',
+		JSON_ERROR_CTRL_CHAR        => 'Unexpected control character found',
+		JSON_ERROR_SYNTAX           => 'Syntax error, malformed JSON',
+		JSON_ERROR_UTF8             => 'Malformed UTF-8 characters, possibly incorrectly encoded'
+	);
+	
+	/**
+	* Returns the last error message when building a JSON file. Mimics json_last_error_msg() from PHP 5.5
+	* @param  {String}       the file that generated the error
+	*/
+	public static function hasError() {
+		$error        = json_last_error();
+		$errorMessage = array_key_exists($error, self::$errors) ? self::$errors[$error] : "Unknown error ({$error})";
+		return $errorMessage;
+	}
+	
+	/**
+	* Returns the last error message when building a JSON file. Mimics json_last_error_msg() from PHP 5.5
+	* @param  {String}       the file that generated the error
+	*/
+	public static function lastErrorMsg($file,$message,$data) {
+		print "\nThe JSON file, ".$file.", wasn't loaded. The error: ".$message."\n";
+		if ($message == "Syntax error, malformed JSON") {
+			print "\n";
+			$parser = new JsonLint\JsonParser();
+			$error  = $parser->lint($data);
+			print $error->getMessage();
+			print "\n\n";
+		}
+	}
+	
+}
\ No newline at end of file