CHANGE-605 - Fix error in PayPal Standard - PHP Fatal error: Using $this when not in object context
CHANGE-544 - Update the language files for phpMailer
Administrative - update travis settings
Administrative - update travis settings
test framework
ISSUE-23 - Clean up add to cart when non-numeric value is used and display message
Additional cleanup and add debug for add/update cart
ISSUE-34 scottcwilson pr #21 - Merge error caused define to be set multiple times.
Merge pull request #30 from zencart/v160

V160