Log Message:
angband[-sdl]: update to 4.2.4

Summary of Changes

    use C99 types instead of the angband special types
    Single Combat maybe finally bug-free
    improvements to the birth process
    improvements to the NDS port
    many improvements to auto-building and all the front ends
    improvements to changing of background colours
    adding of a panic directory for panic saves
    new tests, and improvements to current ones
    re-organisation of effects code
    add a player argument to a lot of functions that needed it
    import a lot of historical documentation
    lots of tidying and neatening