A chromium extension to make handling of cards in trello more easy.
git clone https://github.com/felixsch/MassTrello
Open Chromium and goto Extensions chrome://extensions and enable developer mode
Click on load unpacked extension... and select the cloned git repository. Voila! Installed!
###Rename more than one card at a time
###Move more than one card to another board
This script is experimental. Use at your own risk!