Done upto reconcile

Pending:
 stock movement
 trial balance
 unposted

overlord/src/app/cash-flow/cash-flow.service.ts

@@ -21,7 +21,6 @@ export class CashFlowService {
   }
 
   list(id: string, startDate: string, finishDate: string): Observable<CashFlow> {
-    const listUrl = (id === null) ? url : `${url}/${id}`;
     const options = {params: new HttpParams()};
     if (startDate !== null) {
       options.params = options.params.set('s', startDate);
@@ -29,6 +28,7 @@ export class CashFlowService {
     if (finishDate !== null) {
       options.params = options.params.set('f', finishDate);
     }
+    const listUrl = (id === null) ? ( (startDate || finishDate) ? `${url}/data` : url) : `${url}/${id}`;
     return <Observable<CashFlow>>this.http.get<CashFlow>(listUrl, options)
       .pipe(
         catchError(this.log.handleError(serviceName, 'list'))