remove die calls from UrlDownloader remove unused use statement
remove die calls from UrlDownloader
remove unused use statement

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