fix the downloader in cases when the download url is not for php source
fix the downloader in cases when the download url is not for php source

svetlyak40wt/phpbrew,hechunwen/phpbrew,williamn/phpbrew,williamn/phpbrew,phpbrew/phpbrew,pinkbigmacmedia/phpbrew,kayyyy/phpbrew,pinkbigmacmedia/phpbrew,pinkbigmacmedia/phpbrew,konomae/phpbrew,hechunwen/phpbrew,pierredup/phpbrew,zonuexe/phpbrew,pierredup/phpbrew,morozov/phpbrew,konomae/phpbrew,davidfuhr/phpbrew,wellic/phpbrew,svetlyak40wt/phpbrew,morozov/phpbrew,mengzyou/phpbrew,svetlyak40wt/phpbrew,kayyyy/phpbrew,pinkbigmacmedia/phpbrew,pierredup/phpbrew,phpbrew/phpbrew,pierredup/phpbrew,wellic/phpbrew,davidfuhr/phpbrew,hechunwen/phpbrew,dduca-sugarcrm/phpbrew,svetlyak40wt/phpbrew,phpbrew/phpbrew,dduca-sugarcrm/phpbrew,viniciusferreira/phpbrew,mengzyou/phpbrew,davidfuhr/phpbrew,kayyyy/phpbrew,hechunwen/phpbrew,konomae/phpbrew,williamn/phpbrew,zonuexe/phpbrew,konomae/phpbrew,mengzyou/phpbrew,mengzyou/phpbrew,viniciusferreira/phpbrew,wellic/phpbrew,zonuexe/phpbrew,kayyyy/phpbrew,viniciusferreira/phpbrew,wellic/phpbrew,davidfuhr/phpbrew,davidfuhr/phpbrew,viniciusferreira/phpbrew,dduca-sugarcrm/phpbrew,dduca-sugarcrm/phpbrew,williamn/phpbrew,zonuexe/phpbrew