v4.2.0

• Added support for the following languages:
  • Spanish - Spain (es-ES)
  • Italian (it)
  • Portuguese - Brazil (pt)
  • Portuguese - Portgual (pt-PT)
  • French (fr)
  • German (de)
  • Japanese (ja)
  • Hindi (hi)
  • Russian (ru)
  • Arabic (ar)
• Fixed bug in which punctuation in a book name would be ignored when filtering by reference
  • Added unit test to cover this edge case