v0.5.0

• Updates to Option type #92 [⚠️ BREAKING CHANGE]
  • Added const factory constructor for None (fixes #95)
  • Removed Alt and Foldable type classes, the following methods are not available anymore
    • foldLeft
    • foldRight
    • foldMap
    • foldRightWithIndex
    • foldLeftWithIndex
    • length
    • any
    • all
    • concatenate
    • plus
    • prepend
    • append
• Updated examples and fixed lint warnings #93 (thanks to tim-smart 🎉)