Merge pull request #18 from zelgerj/master

refactoring due to server component split off
Update composer.json
Refactoring getSession() method
Merge branch 'techdivision'
Refactor session
Merge pull request #19 from wagnert/master

Refactoring getSession() method
Bugfix invalid getSession() method
Merge branch 'techdivision'
Merge pull request #20 from wagnert/master

Bugfix invalid getSession() method
Refactor session manager to stackable
Refactor Session + StandardSessionManager as Stackables
Merge pull request #21 from wagnert/master

Refactor Session + StandardSessionManager as Stackables
Remove internal reference to session
Merge branch 'techdivision'
Merge pull request #22 from wagnert/master

Remove internal reference to session
Minor refactoring for new session handling
Merge branch 'techdivision'
Minor refactoring
Make PSR2 compatible
Merge pull request #23 from wagnert/master

Minor refactoring for new session handling