1.15.2-0.8:
updated to 1.15.2;
added logger;

0.7:
fixed mobs spawning without items;

0.6:
fixed using wrong world time variable;
slightly changed block spread algorithm;

0.5:
fixed crash caused by zeros in random rolls;
added an option to cap entity count;

0.4:
decreased minimum possible spawn and spread rates to 0 percent;
fixed entities being spawned in same space;
added options for increasing mob spawn and earth spread rates over time;

0.3:

added an option for Earth to generate naturally in the replaceable blocks