Initial experiments in permutation of bits
Merge branch 'master' of github.com:tombusby/haskell-des
fix off by one error with the initial permutation mappings (was 1-based not 0-based) and add in the final permutation function too
begin separation of module directory structure
Update README.md
begin separation of module directory structure
finalise project structure design
write tests to confirm that initialPermutation is finalPermuation^-1
remove the duplicate copy of Utilities.hs into global, overwriting the out of date version there
tidy up and comment one of the tests in Tests.hs
add .gitignore