[DI] Fixing missing "exclude" functionality from PSR4 loader#22680

Merged

fabpot merged 1 commit intosymfony:masterfrom

weaverryan:allow-psr4-exclude

May 14, 2017

Commits on May 13, 2017

Allowing prototype/PSR4 service loading ability to exclude, because glob doesn't support this
weaverryan
committed