Unify style in Arbitrary typeclass definitions
Add instance of Arbitrary for Task
Fix package name in EndoUsage

s/exmaple/example/
Merge pull request #834 from ceedubs/endousage-pkg

Fix package name in EndoUsage
Provide runZero, eval, evalZero, exec & execZero for ReaderWriterStateT in analogy to StateT
Add cata and toDisjunction for std Try
Add Try <~> Throwable \/ A
Merge pull request #832 from jedesah/topic/Task_arbitrary_instance

Add instance of Arbitrary for Task
Merge pull request #831 from jedesah/topic/arbitrary_unify_style

Unify style in Arbitrary typeclass definitions
Merge pull request #835 from justjoheinz/series/7.2.x

Provide runZero, eval, evalZero, exec & execZero for ReaderWriterStateT ...
Merge pull request #836 from ceedubs/std-try

Add a couple Try helpers
Fix defect in ISet.lookupGT where lub not always found
tests for foldMap and foldRight of Stream and EphemeralStream renamed
Merge pull request #842 from note/EphemeralStreamTests

tests for foldMap and foldRight of Stream and EphemeralStream renamed
Merge pull request #840 from wemrysi/iset-fix-lookupgt

Fix defect in ISet.lookupGT where lub not always found