Update to v13 and add queue and completely change code

node_modules/async.util.eachoflimit/index.js

@@ -0,0 +1,45 @@
+var once = require('async.util.once');
+var noop = require('async.util.noop');
+var onlyOnce = require('async.util.onlyonce');
+var keyIterator = require('async.util.keyiterator');
+
+module.exports = function eachOfLimit(limit) {
+    return function(obj, iterator, cb) {
+        cb = once(cb || noop);
+        obj = obj || [];
+        var nextKey = keyIterator(obj);
+        if (limit <= 0) {
+            return cb(null);
+        }
+        var done = false;
+        var running = 0;
+        var errored = false;
+
+        (function replenish() {
+            if (done && running <= 0) {
+                return cb(null);
+            }
+
+            while (running < limit && !errored) {
+                var key = nextKey();
+                if (key === null) {
+                    done = true;
+                    if (running <= 0) {
+                        cb(null);
+                    }
+                    return;
+                }
+                running += 1;
+                iterator(obj[key], key, onlyOnce(function(err) {
+                    running -= 1;
+                    if (err) {
+                        cb(err);
+                        errored = true;
+                    } else {
+                        replenish();
+                    }
+                }));
+            }
+        })();
+    };
+};