fixing the extends keyword when the expressions are complex, and should only be run once -- not that it's good style -- ticket #143

lib/coffee_script/cake.js

@@ -41,7 +41,8 @@
     }
     return _a;
   };
-  // The CommandLine handles all of the functionality of the `coffee` utility.
+  // Running `cake` runs the tasks you pass asynchronously (node-style), or
+  // prints them out, with no arguments.
   exports.run = function run() {
     return path.exists('Cakefile', function(exists) {
       var args;