Undead Armies

- Changed all "enable" configs into a "enableChance" to completely disable a task just set the "enableChance" to 0, values between 0 to 1 correspond to how likely an undead mob to be able to do that task.
- Made all tasks have a "score" corresponding to the situation the undead mob is in. From this version onwards undead mobs will choose the best task according to the situation it's in. 
- Fixed a bug in the mining task (it was a typo)
- Removed DismountTask's "enableChance" now it's tied with stack task (if stack task is enabled then dismount task will be as well and if stack task is disabled then dismount task will be as well.)
- Grouped all tasks into 3 categories "pursue" (tasks with it's main purpose being just getting to the target), "kill" (tasks with it's main purpose just making the target die faster), "eradicate" (basically kill but when there are multiple targets)

Note:

- Point 2 on the changelog (the one about "score") doesn't work well for all situations (ironic i know).