TorneLIB-PHP

Merge pull request #1 in LIB/tornelib-php from bugfix/LIB-51-notice-unserialize-error-at-offset to master

* commit '0bcb1213c23fffd751b66332667e824ef8a930d4':
  LIB-51: Added a minor test of the incoming data (as we do not need to test a string, if the first json-test gave a positive conversion)