added a links section to the documentation, with Underscore.lua and collections libraries galore

index.html

@@ -1004,6 +1004,35 @@ _([1, 2, 3]).value();
 => [1, 2, 3]
 </pre>
 
+      <h2>Links &amp; Suggested Reading</h2>
+      
+      <p>
+        <a href="http://mirven.github.com/underscore.lua/">Underscore.lua</a>,
+        a Lua port of the functions that are applicable in both languages. 
+        Includes OOP-wrapping and chaining.
+        The <a href="http://github.com/mirven/underscore.lua">source</a> is 
+        available on GitHub.
+      </p>
+      
+      <p>
+        Ruby's <a href="http://ruby-doc.org/core/classes/Enumerable.html">Enumerable</a> module.
+      </p>
+      
+      <p>
+        <a href="http://www.prototypejs.org/">Prototype.js</a>, which provides
+        JavaScript with collection functions in the manner closest to Ruby's Enumerable.
+      </p>
+        
+      <p>
+        Oliver Steele's 
+        <a href="http://osteele.com/sources/javascript/functional/">Functional JavaScript</a>,
+        which includes comprehensive higher-order function support as well as string lambdas.
+      </p>
+      
+      <p>
+        Python's <a href="http://docs.python.org/library/itertools.html">itertools</a>.
+      </p>
+
       <h2>Change Log</h2>
       
       <p>