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

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

node_modules/underscore/modules/range.js

@@ -0,0 +1,21 @@
+// Generate an integer Array containing an arithmetic progression. A port of
+// the native Python `range()` function. See
+// [the Python documentation](https://docs.python.org/library/functions.html#range).
+export default function range(start, stop, step) {
+  if (stop == null) {
+    stop = start || 0;
+    start = 0;
+  }
+  if (!step) {
+    step = stop < start ? -1 : 1;
+  }
+
+  var length = Math.max(Math.ceil((stop - start) / step), 0);
+  var range = Array(length);
+
+  for (var idx = 0; idx < length; idx++, start += step) {
+    range[idx] = start;
+  }
+
+  return range;
+}