New skill & Boss Rush Mode

So nothing major, added new skill "Blessed Touch" which grants a chance to double the durability of crafted gear.

Added a boss rush mode:

If you haven't fought at least three different bosses, you wont be able to play the mode.  Once you've fought 3 or more different bosses, you can then run boss rush mode from Rizz`Sek.  Who btw is the only male Asura (which is spelled Azura for males) in the game so far.  The time will be registered in your logbook after completion.  I'll eventually add a lil animation indicating something of worth noting has been jotted down but for now, check your logbook occasionally!

Also I've re-written how some game files are saved, mainly involving tasks and logbook.  They are both now saved in the main game save file.

As this is still in development, expect game saves to eventually go bork and may end up having to delete saves and start anew.