fixed typo
refactored keywords method
Code climate badge update
build for Ruby 2.0.0
fixed naming and code style
removed require 'rubygems' (was only needed < Ruby 1.9) (#18)
added rake deps
performance tunings
removed 1.8 compatibility
death to Ruby 1.8.7
use bloom filters for black- and whitelists
removed 1.8 compatibility
documented changes