Fix warnings.
-rw-r--r-- 197 .gitignore
-rw-r--r-- 1684 LICENSE
-rw-r--r-- 2043 PROBLEMS
-rw-r--r-- 782 README
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 2118 hoopl.cabal
drwxr-xr-x - paper
drwxr-xr-x - private
drwxr-xr-x - prototypes
drwxr-xr-x - src
drwxr-xr-x - testing
-rwxr-xr-x 52 validate