Prevent int overflow if max_eval_cost is set high.
Fix benchmarking command in test suite.

And update motd to show two new commands.
Generalize get_expliccit_line_number function.

All other variation is using the same underlaying function now.
Generalize get_expliccit_line_number function.

All other variation is using the same underlaying function now.
Fix crash when getting file/line for call_out execution.
Fix comment for HEARTBEAT_INTERVAL in options.h
Merge branch '2.24.sunyc3'