Update http_fundamentals.rst

Modern browsers do support PUT and DELETE, see for example http://stackoverflow.com/questions/165779/are-the-put-delete-head-etc-methods-available-in-most-web-browsers.

Author: wouthoekstra

book/http_fundamentals.rst

@@ -97,8 +97,7 @@ delete a specific blog entry, for example:
 .. note::
 
     There are actually nine HTTP methods defined by the HTTP specification,
-    but many of them are not widely used or supported. In reality, many modern
-    browsers don't even support the ``PUT`` and ``DELETE`` methods.
+    but many of them are not widely used or supported.
 
 In addition to the first line, an HTTP request invariably contains other
 lines of information called request headers. The headers can supply a wide