[BUGFIX] Force hash value to be an array

Change-Id: Ieedf33235619329f51793cfc2a231f80118ed4eb
Reviewed-on: http://review.typo3.org/33997
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
[BUGFIX] Prevent empty values in file arrays

Change-Id: I1855f0114a841fe8399ffbe12e412951ec7d953a
Reviewed-on: http://review.typo3.org/33998
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
[BUGFIX] Fix referenced parameter for PHP 5.4 and above

Change-Id: Ib75158881b8ad5b4806ef272be631d021aca096f
Reviewed-on: http://review.typo3.org/33999
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
[RELEASE] Release of devtools 0.1.1

Change-Id: Ib3b332130f0f1a1a1ee5852295c0fcdf47e29877