#1874 - purcahsed products list for a given user
Adding Unit tests for new function edd_get_users_purchased_products()
Fixing assertion for post type in unit tests
Removing tests for new function

There's something going on in the way the download meta for the unit test, until I can nail that down, don't close the main issue, I'll work with Sunny to figure that out.
Fixing formatting issues, spelling issue, and removing tests for the moment
Fixing formatting, removing tests for further debugging, and fixing filter spelling for args"

Conflicts:
	tests/unit-tests/user.php
Merge pull request #1929 from cklosowski/release/2.0

Adding ability to look up a list of products a user has purchased