Add node modules and new code for release (#39)

Co-authored-by: tbarnes94 <tbarnes94@users.noreply.github.com>

node_modules/form-data/lib/populate.js

@@ -0,0 +1,10 @@
+// populates missing values
+module.exports = function(dst, src) {
+
+  Object.keys(src).forEach(function(prop)
+  {
+    dst[prop] = dst[prop] || src[prop];
+  });
+
+  return dst;
+};