Issue #21555: simplify code in gcmodule.c by using the pytime.h functions instead of trying to call time.time() via the C API.
Patch by Geoffrey Spear.
Cleanup other stats formatting code in gcmodule.c
Issue #21477: Idle htest: merge and modify run and runall; add many tests.
Patch by Saimadhav Heblikar
Merge with 3.4