title: App Engine, appcfg and saving uploading credentials
body: <p>On Linux, it seems that appcfg.py saves credentials when I use it to upload a new version of my application. However, this doesn't seem to happen OSX, and the password is asked every time.</p>
  
  <p>On Linux, I have local installation. On OSX, I have used binary installer.</p>
  
  <p>Is it possible to do something for OSX, so that it would save me the effort of retyping password all the time? </p>
  
  <p>More info: Found zero sited .appcfg_cookies in my home folder. Obviously it is not saving credentials there, though trying.</p>