docs: public MorphoFeatures fromTagString(String str) {
      List<String> feats = Arrays.asList(str.split("\\-"));
      MorphoFeatures mFeats = new MorphoFeatures();
      for(String fPair : feats) {
        String[] keyValue = fPair.split(KEY_VAL_DELIM);
        if(keyValue.length != 2)//Manual state split annotations
          continue;
        MorphoFeatureType fName = MorphoFeatureType.valueOf(keyValue[0].trim());
        mFeats.addFeature(fName, keyValue[1].trim());
      }
      
      return mFeats;
    }