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

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

node_modules/resolve-url/changelog.md

@@ -0,0 +1,15 @@
+### Version 0.2.1 (2014-02-25) ###
+
+- Fix edge case when (accidentally) supplying only one argument, and that
+  argument happens to be a falsy value such as `undefined` or `null`.
+
+
+### Version 0.2.0 (2014-02-24) ###
+
+- Disallow passing 0 arguments. It’s weird and inconsistent between browsers.
+  (Backwards incompatible change.)
+
+
+### Version 0.1.0 (2014-02-23) ###
+
+- Initial release.