- Added an warn arg of fits_header::append_records() and fits_header::insert_records().
- Added some fits_hdu::header_append_records() and fits_hdu::header_insert_records().
- Updated Changes.log
- Updated shared lib version (-version-info): 3:0 => 4:0.
Updated version number in README, config.h, configure, etc.: 1.4.2 => 1.4.3.