• Remove everything following a tab (including the tab) from
  hunspell dictionary lines (Resolves: rhbz#1411659)
• Delete a candidate correctly from the user database even if
  it starts with a prefix to be stripped from tokens (Resolves: rhbz#1411676)
• Trigger emoji lookup when the input starts or ends with '_' or ' '
• Better handling of BackSpace and Delete when reaching the
  ends of the preëdit (Resolves: rhbz#1411688)
• Search for hunspell dictionaries in a list of directories
  (Resolves: #6)