See #1450

Closes #1454

Fixed a crash which was causing a failure in `pod lib create` if the name of
the Pod included spaces. As spaces are not supported now this is gracefully
handled with an informative message.

Fixes #1456

Closes #1420

This is because we depend on the pluralize API introduced in 3.2

Fixes #1407

Closes #1273

Closes #1405

Closes #1389