1.0.0, 05-09-2012 initial release 1.1.x bad gems, yanked from Rubygems 1.2.0, 02-27-2013 refactored to use ffi-compiler now only using FFI FNV hashing, removed all other implementations test on JRuby 1.7.3 and MRI Ruby 2.0.0 FFI performance improvements