Bumped version to 5.4.1

doc.md

@@ -1,7 +1,7 @@
 # LibreSpeed
 
 > by Federico Dossena
-> Version 5.4
+> Version 5.4.1
 > [https://github.com/librespeed/speedtest/](https://github.com/librespeed/speedtest/)
 
 ## Introduction

speedtest.js

@@ -49,7 +49,7 @@ function Speedtest() {
   this._settings = {}; //settings for the speed test worker
   this._state = 0; //0=adding settings, 1=adding servers, 2=server selection done, 3=test running, 4=done
   console.log(
-    "LibreSpeed by Federico Dossena v5.4 - https://github.com/librespeed/speedtest"
+    "LibreSpeed by Federico Dossena v5.4.1 - https://github.com/librespeed/speedtest"
   );
 }