Merge pull request #18 from Bacra/bacra-push

Set showHidden and depth opts are independent for each tracer Instance
no message
Merge branch 'master' of https://github.com/baryon/tracer

Conflicts:
	.travis.yml
v0.7.0
v7.1 merged from Bacra
Merge branch 'master' into bacra-dev

Conflicts:
	lib/console.js