Added 'err' and 'timeout' events

lib/needle.js

@@ -389,12 +389,17 @@ Needle.prototype.send_request = function(count, method, uri, config, post_data,
 
   function had_error(err) {
     debug('Request error', err);
+    out.emit('err', err);
     done(err || new Error('Unknown error when making request.'));
   }
 
-  function set_timeout(milisecs) {
+  function set_timeout(type, milisecs) {
     if (milisecs <= 0) return;
-    timer = setTimeout(function() { request.abort() }, milisecs);
+
+    timer = setTimeout(function() {
+      out.emit('timeout', type);
+      request.abort();
+    }, milisecs);
   }
 
   // handle errors on the underlying socket, that may be closed while writing
@@ -415,7 +420,7 @@ Needle.prototype.send_request = function(count, method, uri, config, post_data,
 
     // clear open timeout, and set a read timeout.
     if (timer) clearTimeout(timer);
-    set_timeout(config.read_timeout);
+    set_timeout('read', config.read_timeout);
 
     // if we got cookies, parse them unless we were instructed not to. make sure to include any
     // cookies that might have been set on previous redirects.
@@ -617,7 +622,7 @@ Needle.prototype.send_request = function(count, method, uri, config, post_data,
   }); // end request call
 
   // unless open_timeout was disabled, set a timeout to abort the request.
-  set_timeout(config.open_timeout);
+  set_timeout('open', config.open_timeout);
 
   // handle errors on the request object. things might get bumpy.
   request.on('error', had_error);