statustime: Print error message on exception.

statustime.cpp

@@ -30,9 +30,10 @@ int main()
             std::this_thread::sleep_for(1s);
         }
     }
-    catch (const std::exception &)
+    catch (const std::exception &e)
     {
         cout << "\n<span color='red'>Error: Time script crashed.</span>\n";
+        std::cerr << e.what() << '\n';
         return 33;
     }
 }