Add Arbitrary instance for records (@sharkdp)

Added some more helper comparison operations (@Risto-Stevcev)

• Added Lazy instance for Gen

Generic deriving for Arbitrary and Coarbitrary (@LiamGoodacre)

Add shuffle generator (@matthewleon)

• Added MonadGen instance

• Updated for PureScript 0.11
• Use NonEmpty for Gens where called for (@matthewleon)
• Improved behaviour of chooseInt (@matthewleon)
• Added Arbitrary and Coarbitrary instances for NonEmpty and NonEmptyList (@matthewleon)
• Added enum Gen for BoundedEnum values (@matthewleon)

• Fixed shadowed variable warning

• Added suchThat combinator for Gens

• Updated lists dependency