Add timing into Table.enso.

Author: jdunkerley

distribution/lib/Standard/Base/0.0.0-dev/src/Data/Time/Duration.enso

@@ -163,7 +163,7 @@ type Duration
         - `function`: Function to execute.
     log_execution_time : Any -> Text -> Any
     log_execution_time ~function label="execution_time" level:(Log_Level | Nothing)=Log_Level.viz_timing_level =
-        if Nothing == level then function else
+        if Nothing == level then @Tail_Call function else
             pair = Duration.time_execution function
             duration = pair.first
             Duration.log_message ("Execution time for " + label + ": " + duration.to_display_text) level