descriptive error message instead of "Argument 1 passed to ParaTest\Coverage\CoverageMerger::addCoverage() must be an instance of PHP_CodeCoverage, boolean given"
Merge pull request #70 from tiger-seo/master

descriptive error message instead of "Argument 1 passed to ParaTest\Cove...
typo fixed: composer uses vendor/ folder by default (not vendors/)
CI cycle will run also for PHP 5.5
Merge pull request #76 from EuKov/master

typo fixed: composer uses vendor/ folder by default (not vendors/)