updated to 7.4.061

updated to 7.4.061

7.4.053  test75 has a wrong header
7.4.054  reading past end of the 'stl' string
7.4.055  Mac: Where macros are defined depends on the system
7.4.056  Mac: Compilation problem with OS X 10.9 Mavericks
7.4.057  byteidx() does not work for composing characters
7.4.058  warnings on 64 bit Windows
7.4.059  set_last_cursor() may encounter w_buffer being NULL
7.4.060  declaration has wrong return type for PyObject_SetAttrString()
7.4.061  (after 7.4.056) configure check in the wrong place