Bumped version to 4.7.1

doc.md

@@ -1,7 +1,7 @@
 # HTML5 Speedtest
 
 > by Federico Dossena  
-> Version 4.7
+> Version 4.7.1
 > [https://github.com/adolfintel/speedtest/](https://github.com/adolfintel/speedtest/)
 
 

speedtest_worker.js

@@ -1,5 +1,5 @@
 /*
-	HTML5 Speedtest v4.7
+	HTML5 Speedtest v4.7.1
 	by Federico Dossena
 	https://github.com/adolfintel/speedtest/
 	GNU LGPLv3 License