if no processors, default to empty

Author: remy

lib/index.js

@@ -43,7 +43,7 @@
     var source = bin.source;
     var css = safeForHTML(bin.css || '');
     var javascript = safeForHTML(bin.javascript || '');
-    var processors = bin.processors;
+    var processors = bin.processors || {};
     var meta = bin.meta || (bin.url ? '<!-- source: http://jsbin.com/' + bin.url + '/' + (bin.revision || '') + ' -->\n' : '');
 
     /**