• Fix test case for selecting non existing candidates for Fedora rawhide
• Update UnicodeData.txt to current Unicode 12.0 draft
• Update emoji data to Unicode 12.0 final for 2019
• Update emoji annotations from CLDR
• Initialize self.dictionary_sub_properties_prop_list = [] in self._init_properties()
  (Resolves: #46)
• Fix test case for case mode change
• Improve filter for dictionary selection if langtable available