Reduced the quantity of leeches and plague sorcerer when nurgloth or burblespue spawn (again).
Tweaked khorne champions to be less intense.

Removed Penlight Lua Libraries as dependecy.

Added version check for clients.
Increased a bit the angle to emit backstab sound.

misc/code cleanup

Tweaked loot rat, it now gives more money and increased a bit the chance of drop chest of trials.
Reduced leeches/plagues when burplesbue or nurgloth spawn.

Tweaked blessing of abundance.
Tweaked loot rat, now can drop more items and very low chance to spawn chest of trials.
Increased burblespue and drachenfels missile damage.

Reduced health of Nurgloth and Burblespue.