lib/wttrin_png.py: added some debug output

lib/wttrin_png.py

@@ -292,6 +292,7 @@ def make_wttr_in_png(png_name, options=None):
             if key not in parsed:
                 parsed[key] = val
     url = make_wttrin_query(parsed)
+    print "URL = ", url
 
     timestamp = time.strftime("%Y%m%d%H", time.localtime())
     cached_basename = url[14:].replace('/','_')
@@ -302,9 +303,11 @@ def make_wttr_in_png(png_name, options=None):
     if not os.path.exists(dirname):
         os.makedirs(dirname)
 
+    print "Cached file: %s" % cached_png_file
     if os.path.exists(cached_png_file):
         return cached_png_file
 
+    print "Requesting URL: %s" % url
     text = requests.get(url).text.replace('\n', '\r\n')
     curl_output = text.encode('utf-8')