release ABXpy-0.4.3

Merge branch 'travis' into 'master'

Travis CI

See merge request mbernard/abx!2

Update README.rst

Merge branch 'master' of github.com:bootphon/ABXpy

force utf8 encoding in analyze.py to avoid crash due to IPA symbol"

Removed pickling of the distance function into the distance file, whi…

…ch fail with lambda functions (and probably many other kind of functions as well, e.g. function calling C modules)

optimized a uniform-time-warping function