added --debug logging option
added newline to conform with flake8
fixed a bug when GENIA Tagger produces a tag with a zero-length token and stem
fixed a bug when aligning <verb> + 'not' contractions
fixed bug if no noun tagging is chosen for any dictionary
fixed a bug that crashed alignments of GENIA tokens that are expanded to contain dashes via Unidecode
fix: aligner now compares ASCII string lengths