* Update ShopAssistant.java
Adds ability to sell tokkul items back to shop for tokkul
* Fixes npc aggressiveness closes#132
* Fixes highscores for admin + ingame. Closes#131
* Caps run energy at 100%. Closes#135
* Revised shop re-stocking interval.
* Revised shop re-stocking interval.
* Updated character save directory.
* Renamed new player save directory from accounts to characters.
* Added inverse for random toggle, since it's the first thing I type every time.
* Added god capes.
* Re-implemented experiments.
* Yell now looks a little cleaner.
* Fixed outside of bounds exception on High scores, when player count doesn't meet threshold.
* Cleaned up Magic Teleports class and added level requirements.
* Fixed exit portal from ancient chamber.
* Added check to ensure axe id isn't outside the bounds of expected axes.
Mr Extremez