update
Merge branch 'master' of https://github.com/kkzhang/game-engine-detector

Conflicts:
	detector.py
export result to csv
Ignore case and better csv output format.
ignore sound file, more detailed output
comment print line
small fix
Updates config.json
Oops, uncomment file name checking
Merge pull request #1 from dumganhar/master

Some fixes, please refer to commit message.