Fixed bit difference issues

Note that an integer cannot hold 1024 bits.
Merge pull request #3 from Maplenormandy/patch-1

Fixed bit difference issues
Update README.md
Merged luac optimizations
Merge branch 'master' of github.com:dghubble/xkcd-hashing
Merge pull request #4 from luac/master

Optimizations
Updated README to reflect current status.
brew instead of apt-get if on OS X
Added otheros.py for easier usage by Windows/OSX users.
fix multi-threading
Same script works with or without gmpy
Merge branch 'luac-master'
Merge branch 'master' of git://github.com/yasyf/xkcd-hashing into yasyf-master
updated readme
removed redundant otheros.py
Update main.py

Fixed variable error
fixed readme
Merge branch 'patch-1' of https://github.com/kctess5/xkcd-hashing into kctess5-patch-1
Small fix to README speed test.
Merge branch 'master' of github.com:dghubble/xkcd-hashing