Improved error messages of FITS functions by telling the file name.
Fixed fits image reading not being able to load image from extensions.
Improved interpolate() to be able to use initializer lists as input.
Fixed bug in subregion() with x/y mismatch.
Again.
Added start_with() and end_with().
Fixed vec::push_back() for empty vectors.
Improved performances of header2fits_().
Fixed logic bug in qstack with error map.
Fixed bug in fits::header2fits_() with floating point keywords truncated into integers.
Added replicate() version with std::array as second argument.
Added translate() image function.
Added unit test for translate().