New Game+ for DOOM 2.0 file

The mod can be played like any other PWAD, by either dragging it on the source-ports binary or by selecting it with a frontend like a launcher or DOOM modloader.

v. 2.0 changes:

> armor & health stats overhauled
> BFG now uses 50 cells
> Various Text String Edits
> More enemy behavior & ability tweaks
> Megasphere & Soulsphere stats have been reset to default
> Ammo Capacity has been rebalanced
> Pinkies & Lost Souls are rendered normally again
> Computer Area Map doesn't affect any% anymore
> Backpacks & Weapon Pickups are now lit