fixing more scrutinizer issues
some more removal of unused variables
removing artificial method
fixing more issues
removing interface
Merge pull request #210 from cordoval/210-wip-more-fixes

merge #210 wip more fixes (cordoval)

This PR was merged into gushphp:master branch.

Discussion
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Commits
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c0eb302b616e8121db207c747333550f1b218651 fixing more scrutinizer issues (cordoval)
af55d6323bece8e9b6578791a2e5abf89427c7a5 some more removal of unused variables (cordoval)
9fcb1b075f22ba6dfe9f82c1f025496f2554fb09 removing artificial method (cordoval)
840f3b2d02f5ede7744bd3bff4dfe28d5455a8e5 fixing more issues (cordoval)
1b649e3919718729b3dc586cd826004bb022b627 removing interface (cordoval)