dagolden/path-tiny — pull request #47 by keedi (2013-07-26 09:41:08+00:00)
Title: Feature/#38 add children filter

This pull-req is related to #38 issues.

I've let `children()` method allow optional filter argument as `qr//` or code reference.
But document looks little messy since I'm not native English speaker.
Please check the code and document. :)