Implement URL filename parsing (with tests) and the save_image function.
-rw-r--r-- 5 .gitignore
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 1380 lwn-epub.cabal
-rw-r--r-- 472 makefile
drwxr-xr-x - src
drwxr-xr-x - test