update documentation for flatten
Merge pull request #73 from danielb2/flatten.doc.update

update documentation for flatten
Close #75, properly preform test
Merge pull request #76 from tsilvia/master

Close #75, properly preform test
add tests to clarify falsey behavior
update to lab 4.x, closes #79
update readme with some missing functions, closes #80
fix link for applyToDefaultsWithShallow
Merge pull request #81 from hapijs/doc_updates

update readme with some missing functions, closes #80
fix readme links
Added random.
Pulled from upstream.
Cleaned up after upstream pull.
Reworked to be only for unique file names.
Delete AUTHORS
Updated to new test format.
Test cleanup.
Merge pull request #83 from hapijs/cleanup

Test cleanup.
Updated extension logic.
Merge pull request #82 from arb/random

uniqueFilename