Hotfix for critical bugs introduced during query-string integration (#5)

* Use query-string to (de-)serialize search params in url

* Integrate query-string

* Bump version number

* Hotfix

---------

Co-authored-by: Danila Pokhabov <danila.pokhabov@mcc-soft.de>

src/useQueryParams.ts

@@ -49,7 +49,7 @@ export const useQueryParams = <QPCMap extends QueryParamConfigMap>(
     if (paramConfigMap) {
       return decodeQueryParams(
         paramConfigMap,
-        queryString.parse(location.search, {}) as any,
+        queryString.parse(location.search) as any,
       );
     }
     return {};
@@ -64,7 +64,7 @@ export const useQueryParams = <QPCMap extends QueryParamConfigMap>(
           ? changes(resultRef.current as any)
           : changes;
       const encoded = encodeQueryParams(paramConfigMapRef.current, values);
-      navigate(queryString.stringify(encoded), navigateOptions);
+      navigate('?' + queryString.stringify(encoded), navigateOptions);
     },
     [navigate],
   );