[BUGFIX] Wrong eID should throw exception

This patch changes the behavior of the bootstrap process. Now an
exception is thrown when a request with an unknown eID is done.

Before the system simply died.

Resolves: #62857
Releases: master
Change-Id: I600e0d69619d14729235aed7b43393202efc5f98
Reviewed-on: http://review.typo3.org/33985
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>