Spell configuration. Introduce absoluteLimit.
* limit will be made negatable.
* now limit and immunity will look more solid.
* unused ATM
Use absoluteLimit
* all "old" limits are now absolute
Spell configuration: introduce simplifaction mechanism for level conficuration
* also aviable for other handlers
simplify  ability.json
Simplify adventure.json
Simplify offensive.json
Simplify other.json

* also fix CURE: expert cure is massive spell
Simpify timed.json
* also move Titan bolt to offensive spells
Implemented inheritance semantic for spell level configuration.
This allows more simplification.
More simplification to spell configuration using inheritance semantic.
Extract "inherit node" function