All the bugs mentioned have been fixed for the next small update, just slightly delayed because I'm sick. I've made it possible to multicraft items and I'll take a look at opening multiple chests.
For the stats, I wanted to add some sort of combat into the game at some point, but as that isn't really a priority I'll make it clear on the equipment screen what your stats are:)
There also aren't any hats, so I'll just remove it to avoid any future confusion.
Thanks for the feedback, I appreciate it!