Merge branch 'develop'

Merge pull request qntfy#97 from henry-megarry/master

adding key separator into spec to allow '.' in key values

Fix broken UUID dependency (qntfy#87)

Merge pull request qntfy#81 from findkim/80-unix-ts-support

Add unix epoch timestamp transform

update UUID dependency (qntfy#76)

Merge pull request qntfy#70 from jcelliott/fix_uuid_breaking_change

Fix breaking API change in uuid package

Merge pull request qntfy#68 from JoshKCarroll/67-over-string-bug

qntfy#67 Bug fix

Merge pull request qntfy#66 from JoshKCarroll/64-bug-fixes

Bug fixes related to qntfy#64

Merge pull request qntfy#65 from JoshKCarroll/64-coalesce-ignore

Add `ignore` array support in Coalesce()

qntfy#62 Add Delete Transform (qntfy#63)

* Initial setup for delete transform

* Finish Delete transform and add more tests