The default folder structure is inconsistent with the use of pluralization.
Applies to associated namespaces too.
Specifically:
Not only will these changes bring consistency but they will reflect every project I've seen in the real world.

agreed and good catch. Adding @ralarcon to assign.
@ralarcon is this expected in the large pending push in the next day or so?
Yes!
Merged to dev in PR #137
The 'Helper' folder appears to have been missed when this was done. It should be 'Helpers'.
agreed. @ralarcon this is a bit too scary of a change for I feel for me to do right now. Can your wonderful team handle this tweak
Fixed. Will be closed with the PR #183.