adding tone enrichment/regex
adding tone enrichment/regex

MontrealCorpusTools/PolyglotDB,MontrealCorpusTools/PolyglotDB,PhonologicalCorpusTools/PyAnnotationGraph,PhonologicalCorpusTools/PolyglotDB,PhonologicalCorpusTools/PyAnnotationGraph,samihuc/PolyglotDB,PhonologicalCorpusTools/PolyglotDB,samihuc/PolyglotDB