Kaos Skies

Reduced cobalt and ardite drop chance in ex nihilo, lowering other drops too much
Changed MFR recipies to Thermal Expansion instead of ender IO
Removed wooden shears to stop early game infinite saplings
Added rubber leaves and wood to veinminer for easier sacred or mega rubber tree removal

Removed headcrumbs mobs due to them not following normal spawn rules and generally being annoying (e.g. spawning in the end)
Added practicalities mod