Update resources

resources.md

@@ -42,16 +42,21 @@ Class slides (coming soon!)
 
 [Why's Poignant Guide](http://mislav.uniqpath.com/poignant-guide/)
 
-####Week 4: Range, Symbols, Blocks, Regexp
+####Week 4: Range, Symbols, Blocks, Control
+[Blocks, Procs, Lambdas, and Closures](http://www.robertsosinski.com/2008/12/21/understanding-ruby-blocks-procs-and-lambdas/)
 
-####Week 5: Review, I/O, Files/Dir, Rake
+####Week 5: Regexp, I/O, Files/Dir, Rake
+[Rubular](http://www.rubular.com/)
+[ASCII Table](http://www.asciitable.com/)
+
+[Breaking up Regular expressions](http://stackoverflow.com/questions/3833787/making-a-small-regular-expression-a-bit-more-readable)
 
 ####Week 6: Gems, CI
 
 ####Week 7: Cucumber, Testing frameworks, Refactoring
 
 ####Week 8: Metaprogramming, Duck typing, Monkey patching
 
-####Week 9: Control, Exceptions
+####Week 9: Review, Exceptions
 
 ####Week 10: Interesting Stuff...