- Split massive `parseLimiter` method in smaller chunks
- Added alternative format for limiters with named parameters instead of
unclear `parameters` entry that often leads to bugs in mods. Old format
is still available.
- Added detailed validation for limiter format
- Converted vcmi json's to use new format
- Removed parameter-less `CREATURE_FACTION` and `SAME_FACTION` limiter.
They are unused in mods and have unclear use-case that can be replaced
by other limiters
- Expanded documentation on limiter types
All mods that were supported before should still be supported