fixes ISO vs UTF-8 encoding problems on client side with response from FACT-Finder
Fixes Undefined index: searchResult when the response content is empty or not valid json
Fixes Undefined index: QUERY_STRING when running script on cli
ADDED the Infinity string bug replacement
Merge pull request #15 from seidemannweb-florian/master

fixes ISO vs UTF-8 encoding problems on client side with response from FACT-Finder
Merge pull request #16 from nicovogelaar/pull-request-3

Added some checks to prevent Undefined index notices
Merge pull request #17 from sseidelmann/master

ADDED the Infinity string bug replacement