- added exclusive and shared locking via flock to prevent writing   and reading simulatenously from the "cached" file - script returned values are now also logged in debug mode - curl now saves response header in debug mode
- added exclusive and shared locking via flock to prevent writing
  and reading simulatenously from the "cached" file
- script returned values are now also logged in debug mode
- curl now saves response header in debug mode

madchap/graylog2-zabbix