Add structure for Fourgem
Implement methods for 4chan API
Add binary and make it possible to download a thread's images
Better URL checks. Bulk download threads with file as input.
Check if image is already downloaded, skip if it is
User can with the --out option specify an image folder
Board class for all threads and posts
Add Rakefile for automation
Make use of Thor defaults. Remove board and thread option
Rewrite the Fourgem tools
Lurk thread for new images
Implement a Thread class