further attempt to fix building on mac arm #5

fixing finding boost problems... again..

cleanup after python 2 deprecation

Merge branch 'master' of github.com:/proycon/python-timbl

yet another round of fixes for Mac OS X compilation

force recompilation

Explicitly use libc++ on mac

version bump

Added -std=c++11 , needed for latst timbl

update before 2017.04.04 release