cleaned up EventSourcingRepository
remove unused use statement
fix
Merge pull request #45 from Miliooo/unused-exception

remove unused use statement
Merge pull request #36 from Miliooo/model2

phpdoc fix
Merge pull request #41 from Miliooo/eventstreamprivate

cleaned up EventSourcingRepository
Merge pull request #47 from mbadolato/master

Change for loop to use a more generally-accepted value of the number 5