Cleaned up directoryparam support

requirements.txt

@@ -1,4 +1,4 @@
 PIL==1.1.7
 distribute==0.6.27
-tornado==2.4
+tornado==1.2.1
 wsgiref==0.1.2

templates/root.html

@@ -547,6 +547,7 @@ src="//static1.robohash.org/static/img/indented_star.png" width="27" height="25"
     For example: http://robohash.org/colin@robohash.org?gravatar=yes<br> or http://robohash.org/620050a4db5104bae758cd75171d64ca?gravatar=hashed
     </p><p>
     <p>Both traditional and new Stealthy (https) robots are available.</p> 
+    <p>We've also conditioned our robots to accept commands either via params or directories-<br> For instance http://robohash.org/set_set3/bgset_bg1/3.14159?size=500x500
     <p>Finally, the <a href="http://github.com/e1ven/Robohash">Blueprints are available</a> to build your own robotic
     factory.</p>
 </p>

webfront.py

@@ -230,16 +230,16 @@ class ImgHandler(tornado.web.RequestHandler):
               args[k] = args[k][0]
             else:
               args[k] = ""
-        
+
+        # IF, and Only IF, there is an arg in the list, should we interpret slashes as params
         split = string.split('/')
-        if len(split) > 0:
-            string = split[0]
-        
         if len(split) > 1:
-          for str in split[1::]:
+          for str in split:
             b = str.encode('ascii','ignore').split('_')
             if len(b) == 2:
-              args[b[0]] = b[1]
+              if b[0] in ['gravatar','ignoreext','size','set','bgset']:
+                args[b[0]] = b[1]
+                string = split[len(split)-1]
 
         colors = ['blue','brown','green','grey','orange','pink','purple','red','white','yellow']
         sets = ['set1','set2','set3']