StatStrings can now be defined on soldier types as well.
If found, these specific rules are used... if missing, fall-back are the global StatStrings.
soldiers:
- type: STR_SOLDIER
statStrings:
- string: "ZzZ"
firing: [70, ~]
- string: "Z"
firing: [60, 69]
- string: "z"
firing: [~, 59]