$ npm --save install ngx-breadcrumbs
npm WARN ngx-breadcrumbs@0.0.3 requires a peer of @angular/core@>=4.0.0 <5.0.0 || >=4.0.0-beta <5.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN ngx-breadcrumbs@0.0.3 requires a peer of @angular/router@>=4.0.0 <5.0.0 but none is installed. You must install peer dependencies yourself.
Is this module 5.x.x compliant? My package.json