Merge pull request #26 from Akon32/multiverse

Multiple event queues support and some bugfixing.
Merge pull request #28 from Akon32/multiverse

Utilities for submap definition.
Refactoring: renames.

  Actor => Person
  ScheduledAction => ScheduledEvent
Merge pull request #29 from Akon32/develop

Refactoring: renames.
Merge branch 'develop' into multiverse
Action system rework.