- allow script run even if unclean state
updated to 7.3.1106

7.3.1106  new regexp engine: save/restore lastlist takes a lot of time
updated to 7.3.1109

7.3.1107  compiler warnings for unused variables
7.3.1108  error message for os.fchdir()
7.3.1109  building on MS-Windows doesn't see changes in if_py_both.h