Save to the same file as before by default
This simplifies things a bit, and is a sane default IMO
Made tests compatible with 1.9. Added require fileutils in drawer.rb
Small change in gem specification
Version bump for Drawer#get(key, &block).
Added block syntax to Drawer#get.
# complex logic...
Ensure file name expansion for open class method
Added pkg to the ignore list
Added class methods open, open!, create and remove
Now touching a file is enough to create a drawer
Added command line tool to explore the cache file
Removed reference to :table (legacy code)