Use Data::Dump::pp() for Link::sort_key()
Use Set::Scalar::members() instead of @{...}
DAG reorganization
Moving DAG property methods to Node
Test DAG::_validate_outputs_exist()
Make run-tests script less verbose
DAG::encode_as_json()
Merge branch 'link-cleanup' into json
Merge pull request #8 from iferguson90/json

Json