Correct duplicated frame user assign
Additional semantic roles and attributes

Readme

Import small dataset as default setup
Refresh entry list on filter apply

Revert __init__.py files

Moving selectional preference popup code from Slowal project. Making some adjustments to database models and  API.

* added local filtering
* added missing control heuristics and reporting for compar etc.
* udpated phrase descriptions
* switched to new Morfeusz homonym identifiers