#5: Updated links to GitHub.
#13: Fixed tests.
#13: Fixed JW.AbstractArray.Indexer bugs.
#13: Fixed JW.ObservableArray.Lister multi-source and unobservable target capabilities.
#3: Added JW.Array.perform* methods.
#13: Fixed JW.ObservableArray.Mapper unobservable target capability.
#13: Fixed JW.ObservableMap.Lister multi source capability.
#13: Fixed JW.ObservableMap.Mapper unobservable target and multi source capabilities.
#13: Added JW.ObservableSet.Indexer unobservable target and multi source tests.
#13: Added JW.ObservableSet.Mapper unobservable target and multi source tests.
#13: Added tests for JW.AbstractArray.Inserter.
#13: Added tests for JW.AbstractArray.Lister.
#13: Added tests for JW.AbstractArray.Mapper.
#13: Added JW.AbstractArray.Splitter test.
#13: Added JW.AbstractMap.Lister tests.
#13: Added JW.AbstractMap.Mapper test. Fixed bug.
#13: Added JW.AbstractSet.Indexer test. Fixed bug.
#13: Added JW.AbstractSet.Mapper tests. Fixed bugs. Improved consistency.
#13: Updated version number.
#1: Added TDD tests.