- description (once)
    + turret name (string)
    + turret info (string)
    + sprite file path (string)
	+ fire script file path (string)
	+ effect script file path (string)
    + cost (float)
    + range (float)
	+ interval (float)
	+ base radius (float)
	+ fire animation (once)
        * frame file path (string) (repeatable)

- credits (once)
    + author name (string)
    + version number (string)
    + creation date (string)

