Lexicographically compare two buffers.
npm install buffer-compare

buffer-compare
==============
Lexicographically compare two buffers.
``js
var compare = require('buffer-compare');
// smaller
compare(new Buffer('abcd'),new Buffer(abcde)) === -1
// bigger
compare(new Buffer('abcdef'),new Buffer('abc')) === 1
// equal
compare(new Buffer('hi'),new Buffer('hi')) === 0
``