updated for version 7.3.1167
Problem:    Python configure check doesn't reject Python 2 when requesting
	    Python 3.  Some systems need -pthreads instead of -pthread.
Solution:   Adjust configure accordingly. (Andrei Olsen)
Added tag v7-3-1167 for changeset 81dedcd64821
updated for version 7.3.1168
Problem:    Python "sane" configure checks give a warning message.
Solution:   Use single quotes intead of escaped double quotes. (Ben Fritz)
Added tag v7-3-1168 for changeset ed47632fd149
updated for version 7.3.1169
Problem:    New regexp engine: some work is done while executing a pattern,
	    even though the result is predictable.
Solution:   Do the work while compiling the pattern.
Added tag v7-3-1169 for changeset a83fb2bd8c8e