Add more variables, widen access and type visibility

• Added more variables to the roster (unless otherwise specified, can be set and read as fit)

  • Country ID

    • Numerical ID representing the current country
    • Can be read from, but not set

  • Additional zombies (dead/infected/healthy)

    • Number of zombies that will be transferred over from the dead/infected/healthy population respectively

  • Broken/Active/Inactive flasks

    • Number of broken/active/inactive research flasks in the country
    • In the range [0, 10] (but is not limited to it)
    • Gets set every turn, but can be set and used as temporary data storage

  • Vampire obituary count

    • Local vampire death count in the country
    • Increases by 1 when a vampire dies, but is set to 0 by a (infinite) main-game event which also displays a pop-up
    • A custom event that sets it back to 0 without a pop-up should always trigger before the main-game event

  • Additional deaths (healthy/zombie)

    • Number of deaths that will be transferred over from the healthy/zombie population respectively

• Variable access widening feature

  • Allow setting 'Cure Requirement' and 'Cure Complete Flag'
  • Allow reading from 'Bonus country human/zombie combat strength'

• Variable type definition feature

  • Shows the type of the selected variable
  • See wiki for more details