experiment using node buffers
fake buffer, based on DataView
fix fakebuffer
tests for fakebuffer
getter for buffer length
use fakebuffer instead of buffer
use buffer methods
Int32 is a little faster than Uint32
refactor, to use buffers in tests
inject Buffer dep, so can test with different implementations
load browserify.js to force native-buffer-browserify
inject Buffer dep into hash
delete fakebuffer.js
tidy
tidy
Merge branch 'buffer'

Conflicts:
  sha1.js
remove custom encoding stuff - just use buffer
remove encoding utils
remove bops
2.0.0