Improved item generation for DS LoA

Fixes 2 generation problems:

1. Lots of very similar suffixes reducing chance for others to generate.

There are many suffixes with a chance to cast different spells with different chances to cast, like those:

"+10% Chance to Cast Zap on Taking Damage" upto "+30% Chance to Cast Zap on Taking Damage"

Those generate way too often, usually most armor in the shop have those, instead of something different.

Now only 30% chance variant will be generated, so chances to get other suffixes will increase.

2. Prefixes on weapons with chance to do something and added damage work incorrectly.

Damage is fully added to weapon damage tooltip, but it will be dealt only if percentage is triggered for prefixes like that:

"+20% Chance To Acidify And  Adds 20 to 30 Acid Damage"

Now high level prefixes of such type will be generated in a place of low level ones to improve a value such prefixes provide. Low level ones will not generate.

Also some usually unwanted prefixes and suffixes generate 2 or 3 levels stronger then usual.

Two level stronger: +max health, health steal, health per hit

Three level stronger: +max mana, mana steal, mana per hit

Mod can be freely installed and removed at any time, it will not change stats of any existing items, only newly generated ones.

Mod is compatible to all mods, which are not affecting prefixes and suffixes (pcontent.gas file).

Mod is part of my rebalance project, can be used with or without "PATHS Overhaul" https://www.nexusmods.com/dungeonsiege1/mods/183

Version 2 changes:

Fixed a bug - If prefixes or suffixes, which removed from generation are forced to be generated, they cost extreme amount of gold.