# HISTORY ## v0.2.1 (Oct 22, 2011) - fixed Option#map to disallow becoming None on a nil result - other fixes and documentation updates - See full list @ https://github.com/ms-ati/rumonade/compare/v0.2.0...v0.2.1 ## v0.2.0 (Oct 18, 2011) - added a scala-like Either class w/ LeftProjection and RightProjection monads ## v0.1.2 (Oct 12, 2011) - progress towards Either class - changed documentation to yard from rdoc ## v0.1.1 (Sep 19, 2011) - added a first stab at documentation for Option - fixed certain errors with #map - added #select ## v0.1.0 (Sep 17, 2011) - Initial Feature Set - general implementation and testing of monadic laws based on `unit` and `bind` - scala-like Option class w/ Some & None - scala-like extensions to Array