Added Reverse method to FifoEvents.
Added Reverse method to LifoEvents.
Documented FifoEvents<T>.Reverse.
Documented LifoEvents<T>.Reverse.
Qualified access to local variables with 'this.' in FifoEvents.
Qualified access to local variables with 'this.' in LifoEvents.
Returned IEnumerable<T> from FifoEvents<T>.Reverse.
Returned IEnumerable<T> from LifoEvents<T>.Reverse.
Verified the dual of FifoEvents<T>.Reverse.
Verified the dual of LifoEvents<T>.Reverse.
Merge branch 'reverse-method-on-event-readers' of https://github.com/moodmosaic/AtomEventStore into moodmosaic-reverse-method-on-event-readers
Incremented minor version,

in order to indicate that the addition of Reverse methods on both
LifoEvents<T> and FifoEvents<T> is a new feature.