Merge pull request #1 from maximilian-krauss/version-0.9

Version 0.9
renamed Api to Context - sound more clear
changed the method to get the Id from Aggregate Events
clarify the handling of ApplyChanges method
enabled changes from https://github.com/CarstenKoenig/SeekYouRS/commit/5fc64a5a64af8cffe3d1100aca674489d0865aea
- use save method to get id from Change Event
inserts the test for Reflector
code base: https://github.com/CarstenKoenig/SeekYouRS/commit/837bb3bbe0fa60b4b16188256f1aeed3ce779ddc
- inserted the caching of Reflector too
Merge pull request #1 from jfellien/version-0.9

Version 0.9