Update io.py

Minor bug, check the github issues page for details

Author: syedhamidali

drpy/io/io.py

@@ -206,7 +206,7 @@ def download(self,savedir='./'):
         for i,file in enumerate(self.filename):
             url = self.server + file
             if self.verbose:
-                print('Downloading {} of {}: {}'.format(i,len(self.filename),url))
+                print('Downloading {} of {}: {}'.format(i+1,len(self.filename),url))
 
             cmd = 'curl -u ' + self.username+':'+self.username+' ' + url + ' -o ' + \
             os.path.basename(savedir+file)