*Version bump to 0.6.4

Author: pcfreak30

README.txt

@@ -3,7 +3,7 @@ Contributors: pcfreak30
 Donate link: https://www.paypal.me/pcfreak30
 Tags: optimize, above the fold, critical css
 Requires at least: 4.5
-Tested up to: 4.7.1
+Tested up to: 4.8
 Stable tag: trunk
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -67,6 +67,10 @@ This is used as a special version of the web page that forcibly disables support
 
 == Changelog ==
 
+### 0.6.4 ###
+
+* Bug: SECOND_IN_SECONDS is defined in wp-rockets compatibility code only, so must be removed
+
 ### 0.6.3 ###
 
 * Bug: Ensure object_id is an integer in get_permalink

lib/class-wp-criticalcss.php

@@ -7,7 +7,7 @@ class WP_CriticalCSS {
 	/**
 	 *
 	 */
-	const VERSION = '0.6.3';
+	const VERSION = '0.6.4';
 
 	/**
 	 *

wp-criticalcss.php

@@ -4,7 +4,7 @@
 Plugin Name: WP Critical CSS
 Plugin URI: https://github.com/pcfreak30/wp-criticalcss
 Description: Use CriticalCSS.com web service to automatically create the required CSS for above the fold
-Version: 0.6.3
+Version: 0.6.4
 Author: Derrick Hammer
 Author URI: https://www.derrickhammer.com
 License: GPL3