Add incoming.httpVersion

doc/api.markdown

@@ -1448,7 +1448,9 @@ Read only.
 ### request.httpVersion
 
 The HTTP protocol version as a string. Read only. Examples:
-`'1.1'`, `'1.0'`
+`'1.1'`, `'1.0'`.
+Also `request.httpVersionMajor` is the first integer and
+`request.httpVersionMinor` is the second.
 
 
 ### request.setEncoding(encoding='binary')
@@ -1674,6 +1676,8 @@ The 3-digit HTTP response status code. E.G. `404`.
 
 The HTTP version of the connected-to server. Probably either
 `'1.1'` or `'1.0'`.
+Also `response.httpVersionMajor` is the first integer and
+`response.httpVersionMinor` is the second.
 
 ### response.headers
 

lib/http.js

@@ -70,6 +70,9 @@ function newParser (type) {
 
       parser.incoming.httpVersionMajor = info.versionMajor;
       parser.incoming.httpVersionMinor = info.versionMinor;
+      parser.incoming.httpVersion = info.versionMajor
+                                  + '.'
+                                  + info.versionMinor ;
 
       if (info.method) {
         // server only

test/simple/test-http-1.0.js

@@ -7,6 +7,9 @@ var server_response = "";
 var client_got_eof = false;
 
 var server = http.createServer(function (req, res) {
+  assert.equal('1.0', req.httpVersion);
+  assert.equal(1, req.httpVersionMajor);
+  assert.equal(0, req.httpVersionMinor);
   res.writeHead(200, {"Content-Type": "text/plain"});
   res.end(body);
 })