Adapting main modules for Python 3 compatibility. Dropped Python 2.5 support
adding python 3 support
updated LM for Python 3 compatibility
updated tools for Python 3 compatibility
updated libraries, including FoLiA library, for Python 3 compatibility
further updates for Python 3 compatibility
fix
fix
added packaging for Python 3 + fixes
updated tests, ran tests on Python 2 + 3, corrected errors
Numerous fixes in FoLiA library for Python 3 compatibility