Added save to character, plus tests.
Added save to account, plus tests.
Added simulate callback to pre_gen_entity.
Added sim timer module.
Added timer to event top sup.
Added specs and docs.
Merge pull request #34 from SkewedAspect/feature-ccase-rec-save

Added save
Merge pull request #33 from SkewedAspect/feature-mw-entity-sim-callback

Feature mw entity sim callback
Fixed pre_gen_entity behavior.

The `handle_event` function was called `handle_info` and missing a parameter.
Added missing return from handle_event spec.