sdk: sanitize composer description
sdk: sanitize composer description

works for "zendframework/zend-math"

iolevel/peachpie-concept,iolevel/peachpie,iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie,peachpiecompiler/peachpie,iolevel/peachpie