Issues/1191

[ravinderk]

Description

This pr will fix #1191.

wp give donors --format=table (default)
wp give donors --format=csv (comma-separated list)
wp give donors --format=tab (tab-separated list) [ i am waiting for shawnhooper reply on this]
wp give donors --format=json (JSON string)

How Has This Been Tested?

By running command in terminal

Screenshots (jpeg or gifs if applicable):

Types of changes

New feature (non-breaking change which adds functionality)

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows has proper inline documentation.

[DevinWalker]

Very nice!