Update CONTRIBUTING.md

Author: HendrixString

CONTRIBUTING.md

@@ -3,9 +3,13 @@
 ### guidelines
 * please fork and propose a pull request with `github.com`
 * please follow the code conventions and style.
+
+### wishlist
+* binary operations on graphs such as merging two graphs into one new happy graph.
+* factory methods for bulk generation of nodes.
 * unit testing contributions will be awesome.
 
 ### Contact Author
 * [[email protected]]([email protected])
 * [Google+ TomershalevMan](https://plus.google.com/+TomershalevMan/about)
-* [Facebook - HendrixString](https://www.facebook.com/HendrixString)
+* [Facebook - HendrixString](https://www.facebook.com/HendrixString)