All this refactoring, just to resolve#162. Specifically, it engages savegame events not at level load (except for savefile start) but on level completion, just after you've gotten all the intermission bonuses but before the intermission actually starts.
Also fixes a never-before-discovered bug where if the titlemap has LF_SAVEGAME, your save file will be overwritten upon returning to the title screen. This game is a mess of hacks, I swear...
One unintended side effect: It may actually be faster in some speedrun circumstances in mods with cutscenes to complete the map, exit back to the title screen, and reload the file. It's a common feature of optimal runs in games with cutscenes, though, and Marathon Run has a toggle for cutscenes, so I'm not particularly bothered.
* Changed the save format a little more, since I had free reign over it.
* Modified the string drawing functions to not awkwardly clip at the very edges of the screen, considering the relevant patch drawing functions avoid out-of-range memory writes.
* Each time you die, the number of game overs you've had is counted.
* Your save file updates to record this.
* The number of startinglives is determined by the number of times you'ved game-overed, with the maximum being infinity lives (thereby providing a cap on the number of game overs you can go through in a typical game).
Requires a new patch.dta, but I'm not uploading that yet because not happy with the icon we've got going for infinity lives on the save select menu.
