Updated readme about running or creating new test cases

README.md

@@ -17,7 +17,7 @@ Showdown, at least as it exists on GitHub.
 
 Apologies for any confusion or perceived misinformation.
 
-Cheers,  
+Cheers,
 Corey
 
 
@@ -191,23 +191,34 @@ In most cases, Showdown's output is identical to that of Perl Markdown v1.0.2b7.
     Showdown won't.  But still, don't do that.
 
 
+Tests
+---------------------------
+A suite of tests is available which require node.js.  Once node is installed, run the following command from the project root to install the development dependencies:
+
+  npm install --dev
+
+Once installed the tests can be run from the project root using:
+
+  mocha test/run.js
+
+
 Credits
 ---------------------------
 
   * Origins
-    * [John Fraser](http://http://attacklab.net/):  
+    * [John Fraser](http://http://attacklab.net/):
       Author of Showdown
-    * [John Gruber](http://daringfireball.net/projects/markdown/):  
+    * [John Gruber](http://daringfireball.net/projects/markdown/):
       Author of Markdown
   * Maintenance
-    * [Corey Innis](http://github.com/coreyti):  
+    * [Corey Innis](http://github.com/coreyti):
       GitHub project maintainer
-    * [Remy Sharp](http://remysharp.com/):  
+    * [Remy Sharp](http://remysharp.com/):
       CommonJS-compatibility and more
-    * [Roger Braun](https://github.com/rogerbraun):  
+    * [Roger Braun](https://github.com/rogerbraun):
       Github-style code blocks
-    * [Dominic Tarr](https://github.com/dominictarr):  
+    * [Dominic Tarr](https://github.com/dominictarr):
       Documentation
-    * [Cat Chen](https://github.com/CatChen):  
+    * [Cat Chen](https://github.com/CatChen):
       Export fix