Always create readonly implicit transaction in implicit scopes (#2249)
Wrapped whole call including responsehandling in implicitscope.
Merge branch 'issue/alwaysimplicit' into develop
Removed old try catch for sessions cleanup.
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into develop
Refactored aggregation protocol structures.
Added some checks.
Fixed some aggregation protocol issues.
Merge branch 'develop' into issue/2258