v1.2.0

• Added getLatestFutureAction selector
• Breaking Changes to Action selectors with grouped Actions:
  Actions selectors now return the unflattened Actions, if there are grouped actions in the history. To get the flattened actions, use the get...Flattened selectors

v1.1.6

• Added how it works section and warning that reducer has to be pure to readme #3
• renamed getLatestAction selector to getPresentAction to conform with undox api
• getPastStates and getFutureStates reuse previous states now