Adds some more polish

source/Database/Repositories/Repository.ts

@@ -65,12 +65,12 @@ export class Repository<ModelType extends Model, IntermediateModelType = unknown
     return result.changes > 0;
   }
 
-  public getById(id: number): Nullable<ModelType> {
+  public getById(id: number|bigint): Nullable<ModelType> {
     const sql = `SELECT * FROM ${this.schema.name} WHERE id = ? LIMIT 1`;
     return this.convertToModelType(this.database.fetch<number, IntermediateModelType>(sql, id));
   }
 
-  public delete(id: number) {
+  public delete(id: number|bigint) {
     const sql = `DELETE FROM ${this.schema.name} WHERE id = ?`;
     return this.database.execute(sql, id);
   }