Updated doc for require

src/main/javascript/core/_require.js

@@ -1,33 +1,35 @@
 /*************************************************************************
-# Require - Node.js-style module loading in ScriptCraft
+## Require - Node.js-style module loading in ScriptCraft
 
-### (Experimental as of 2013-12-21)
+#### (Experimental as of 2013-12-21)
 
 Node.js is a server-side javascript environment with an excellent
 module loading system based on CommonJS. Modules in Node.js are really
 simple. Each module is in its own javascript file and all variables
-and functions within the file are private to that file/module only.  There is a very concise explanation of CommonJS modules at
-http://wiki.commonjs.org/wiki/Modules/1.1.1.
+and functions within the file are private to that file/module only.
+There is a very concise explanation of CommonJS modules at...
+
+[http://wiki.commonjs.org/wiki/Modules/1.1.1.][cjsmodules]
 
 If you want to export a variable or function you use the module.export
 property.
 
 For example imagine you have 3 files program.js, inc.js  and math.js ...
 
-## math.js
+### math.js
 
     exports.add = function(a,b){
         return a + b;
     }
 
-## inc.js
+### inc.js
 
     var math = require('./math');
     exports.increment = function(n){
         return math.add(n, 1);
     }
 
-## program.js
+### program.js
 
     var inc = require('./inc').increment;
     var a = 7;
@@ -46,6 +48,12 @@ support node modules. Node.js and Rhino are two very different
 Javascript environments. ScriptCraft uses Rhino Javascript, not
 Node.js.
 
+Right now, the base directory is for relative modules is 'js-plugins'.
+Modules can be loaded using relative or absolute paths. Per the CommonJS
+module specification, the '.js' suffix is optional.
+
+[cjsmodules]: http://wiki.commonjs.org/wiki/Modules/1.1.1.
+
 ***/
 (function(__plugin, __engine, verbose){
     /*