Add de-dupe logic for dependency paths

[lafiosca]

Removes redundant paths (and their subpaths) from output to address #1

Also includes a minor security version bump for subdependency bl.

[lafiosca]

I ended up rolling my own tool for this: https://github.com/lafiosca/lerna-to-lambda

[redneckz]

Thanks for your contribution. Im gonna to check it locally and update yor MR if necessary.
Great work!