If a check fails due to the connection dying, re-queue the post onto …

…the check queue

Previously, post-checks would get lost if the connection failed
Ref #99

lib/uploader.js

@@ -396,6 +396,9 @@ Uploader.prototype = {
 					} else if(err.code == 'connect_fail' && self.skipErrs['connect-fail']) {
 						if(NNTP.log)
 							NNTP.log.error(err);
+						// this connection is dead, so re-queue the post to check on another connection
+						self.checkQueue.add(0, post);
+
 						var rtnErr = new Error('Internal Error');
 						rtnErr.code = 'kill_connection';
 						return cb(rtnErr);