Usage example using wrong require function

Should fix #9
Merge pull request #10 from stevenklar/patch-1

Usage example using wrong require function
refs #4 - improved detection for Karboon devices
added some more tests
added get methods for protected properties
fixed tests
fixes #6 - fixed path problem for yml files
cs/ws/doc blocks
renamed method
added more tests for common user agents
fixed possible notice
added more common test cases
adding proper definition of yottaa site monitor
added Google PageSpeed Insights bot definition
added CloudFlare Always Online bot definition
normalize cache keys to prevent errors with special chars
fixed typo
small fix
fixed cache key normalizing
fixes #13