0.3.4.3 (2019-12-15)
 * #39: Improve Foldable instance

0.3.4.2 (2018-11-21)
 * #38: Fix stimes

0.3.4.1 (2018-09-23)
 * Add support for containers-0.6.0.1 (shipped with GHC 8.6.1)

0.3.4 (2018-05-28)
 * #29: Add Semigroup instances (needed for GHC 8.4)
 * Add NfData instances

0.3.3 (2016-05-30)
 * Document precondition of occurrence > 0 on from*List functions.
 * #18: Compatibility with GHC 8.0
 * #13: Fix warnings about redundant imports
 * #22: Fixed warnings about unnecessary constraints

0.3.2: (2016-01-12)
 * #7: Work around doctest issue of ambiguous modules

0.3.1: (2016-01-11)
 * #4: Fix maxView to use deleteFindMax instead of deleteFindMin

0.3.0: (2015-06-29)
 * #3: Return Maybe instead of `fail`-ing in a monad