extract engine data except engine version
fix invalid json
fix tests
change tests
change tests
fix name
fix tests
fix tests
fix test
extract engine version
add Blink Engine
fix tests for Blink Engine
fix engine version
fix tests
fix engine version
Merge pull request #285 from mimmi20/issue-255

Issues #255 and #256
Merge branch 'master' of https://github.com/browscap/browscap into json-output