updated for version 7.3.1157
Problem:    New regexp engine fails on "\(\<command\)\@<=.*"
Solution:   Fix rule for postponing match.  Further tune estimating whether
	    postponing works better.  Add test.
Added tag v7-3-1157 for changeset 2f1ee97f5f23
updated for version 7.3.1158
Problem:    Crash when running test 86. (Jun Takimoto)
Solution:   Define PY_SSIZE_T_CLEAN early. (Elimar Riesebieter)
Added tag v7-3-1158 for changeset 46077370bc60
updated for version 7.3.1159
Problem:    The round() function is not always available. (Christ van
	    Willegen)
Solution:   Use the solution from f_round().
Added tag v7-3-1159 for changeset 208a6c04e6b8
updated for version 7.3.1160
Problem:    Mixing long and pointer doesn't always work.
Solution:   Avoid cast to pointer.
Added tag v7-3-1160 for changeset 60301d4d1682
updated for version 7.3.1161
Problem:    Python: PyList_SetItem() is inefficient.
Solution:   Use PyList_SET_ITEM() (ZyX)
Added tag v7-3-1161 for changeset ff3935926449
updated for version 7.3.1162
Problem:    Python: Memory leaks
Solution:   Add more Py_DECREF(). (ZyX)
Added tag v7-3-1162 for changeset b8eabb6a9687
updated for version 7.3.1163
Problem:    Not easy to load Python modules.
Solution:   Search "python2", "python3" and "pythonx" directories in
	    'runtimepath' for Python modules. (ZyX)
Added tag v7-3-1163 for changeset 70b1178dec79