interpret utf-8 as utf8
leaking globals
allow subclass to give hash by _hash method
for some reason, this is MUCH faster!
command to hash a large file
this tiny change make it 11% faster on 174mb file!
this tiny change gives 11% perf improvement!
this tiny change gives 11% perf improvement!
tidyup
set debug mode to show time elapsed
make installable as a command
1.2.0