updated README for 1.3.4

readme.txt

@@ -3,8 +3,8 @@
 Contributors: philliplord, sjcockell, knowledgeblog, d_swan, paulschreiber, jwenerd
 Tags: mathematics, math, latex, mathml, mathjax, science, res-comms, scholar, academic
 Requires at least: 3.0
-Tested up to: 4.0.0
-Stable tag: 1.3.3
+Tested up to: 4.3
+Stable tag: 1.3.4
 License: GPLv3
 
 This plugin enables mathjax (http://www.mathjax.org) functionality for
@@ -60,6 +60,12 @@ MathJax-LaTeX is developed on
 
 == Changelog ==
 
+= 1.3.4 =
+
+1. PHP code cleanup
+1. Always use https URL for MathJax library
+1. Updated "tested up to" to 4.3
+
 = 1.3.3 =
 
 1. Fixed inconsistent version numbers between readme and php file