Add parsing option functionality from MorphoDiTa.
Add run_tokenizer binary.
Export static method tokenizer::new_vertical_tokenizer.
Change options, add tokenization to xml output format.

- Allow chossing input and output format separately.

- The xml output format includes tokenization information.

- Always sort recognized named entities.
Add bindings/README, use xml output format in run_ner examples.
Add LINDAT-Clarin entry.
Bump version to 0.94.