Updated README with current status

Author: rac2030

README.md

@@ -2,7 +2,9 @@ SeleniumDownloadHelper
 ======================
 
 TBW...
-It is still WIP but Chrome, Safari, Firefox and PhantomJS are working so far with this method.
+It is still WIP but Chrome, Safari, Firefox, PhantomJS and Internet Explorer are working so far with this method.
+IE only tested on MS Windows and Safari only on OSX.
+
 HTMLUnit is not working but the why is still open (expected.length=187514 actual.length=176549).
-Internet Explorer is untested as I'm currently working on a Mac and this tests will follow later ;-)
+Maybe a bug in RhinoJS which messes up the base64 conversion or some early return in the XHR call?