Add missing impl for ServiceRequest

src/services.rs

@@ -3,6 +3,7 @@ use super::*;
 /// Encapsulates a service request. In contrast to having a simply callback from
 /// Request -> Response types that is called synchronously, the service request
 /// can be moved around and completed asynchronously.
+#[derive(Clone)]
 pub struct ServiceRequest<T>
 where
     T: WrappedServiceTypeSupport,
@@ -12,6 +13,8 @@ where
     service: Weak<Mutex<dyn Service_>>,
 }
 
+unsafe impl<T> Send for ServiceRequest<T> where T: WrappedServiceTypeSupport {}
+
 impl<T> ServiceRequest<T>
 where
     T: 'static + WrappedServiceTypeSupport,