Prevent XXE attacks
Prevent XXE attacks

Disable the libxml entity loader so that arbitary files cannot be read
via XML input.

iinux/Slim,iinux/Slim,feryardiant/slim,dopesong/Slim,JoeBengalen/Slim,slimphp/Slim,Sam-Burns/Slim,RealSelf/Slim,foxyantho/Slim,mnapoli/Slim,akrabat/Slim,AndrewCarterUK/Slim,iinux/Slim,juliangut/Slim