remove backwards dependency
Merge pull request #16 from cordoval/fix-problem-with-zip

This PR was merged into gushphp:master branch.

Discussion
----------

fix zip problem

                   
|Q            |A  |
|---          |---|
|Bug Fix?     |n  |
|New Feature? |n  |
|BC Breaks?   |n  |
|Deprecations?|n  |
|Tests Pass?  |n  |
|Fixed Tickets|   |
|License      |MIT|
|Doc PR       |   |
                   



Commits
-------

84902cc2992950cb2533ff59b9ce63fb3abcc11f remove backwards dependency cordoval