V2.52

Updated internal libraries for compatibility.
Balancing: Now undead units will not revive more than 3 times.
Balancing: Now AI will not summon skeleton warrior more than 3 times.
Balancing: Jelly king boss will not summon Jelly minions more than 5 times.
Balancing: Now Rogue unit has 100% restriction resist.
Removed title art.
Added a link to Crawl Tactics.