Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/underscore/cjs/unzip.js

@@ -0,0 +1,17 @@
+var max = require('./max.js');
+var _getLength = require('./_getLength.js');
+var pluck = require('./pluck.js');
+
+// Complement of zip. Unzip accepts an array of arrays and groups
+// each array's elements on shared indices.
+function unzip(array) {
+  var length = array && max(array, _getLength).length || 0;
+  var result = Array(length);
+
+  for (var index = 0; index < length; index++) {
+    result[index] = pluck(array, index);
+  }
+  return result;
+}
+
+module.exports = unzip;