| Add PyTime C API: | |
| * :c:type:`PyTime_t` type. | |
| * :c:var:`PyTime_MIN` and :c:var:`PyTime_MAX` constants. | |
| * :c:func:`PyTime_AsSecondsDouble`, | |
| :c:func:`PyTime_Monotonic`, :c:func:`PyTime_PerfCounter`, and | |
| :c:func:`PyTime_Time` functions. | |
| Patch by Victor Stinner. |