Hebpipe

* More specific library versions requirements, otherwise identical to 2.0.0.1.
* Fixes 19

* Totally removed Java dependencies
* New neural components for parser, morphology and segmentation

Fixes 9 issue with timing module for python 3.8 support

HebPipe is now runnable as a module and installable from PyPI. Java 64 bit is required, models and Python dependencies can be downloaded automatically.

* Simplified dependencies
* Update segmentation to use XGBoost (model uses V0.81)
* Set up PyPI support, install and run with:
* `pip install hebpipe`
* `python -m hebpipe`