Storynavigator

What's Changed
* fixes issue 52 by kodymoodley in https://github.com/navigating-stories/orange-story-navigator/pull/59
* adds error when inputs and outputs of widgets are incompatible by f-hafner in https://github.com/navigating-stories/orange-story-navigator/pull/56
* fixes issue 39 and others by kodymoodley in https://github.com/navigating-stories/orange-story-navigator/pull/58 (temporary fix by fuzzy matching story text and processed sentences in elements widget output table)
* removes redundant outputs for actor and action widgets (selected data)
* adds an example workflow by f-hafner in https://github.com/navigating-stories/orange-story-navigator/pull/55

New Contributors
* ThijsVroegh made their first contribution in https://github.com/navigating-stories/orange-story-navigator/pull/57

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.18...0.0.19

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.17...0.0.18

Changes:
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- Updates spacy load mechanism from dev to prod method
- Fixes bug with listing invalid stories in doc list of Actor / Action widgets which cause errors when selecting them because they do not have entries in the story elements frame
- Fixes bug with sentiment analysis model that occurs in corner cases where the number of words in a sentence exceeds 512. The model throws an error in such cases. The workaround or fix for these cases is that we only pass the first 512 tokens of the sentence to the model for processing.

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.16...0.0.17

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.15...0.0.16

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.14...0.0.15

**Full Changelog**: https://github.com/navigating-stories/orange-story-navigator/compare/0.0.13...0.0.14