Support for cpus without POPCNT instruction but having SSSE3
Need to case fold CPU_FEATURES
Conditional code for popcnt
include and namespace corrections for popcnt
Reworked python bumpbuild to a shell script
Updated Haskell API to ZMQ4
Merge pull request #11 from sebeaumont/master

Update to ZMQ4 and support older processors without POPCNT instruction.