Resist penetration no longer affects targets with negative resists

Reloading will auto-trigger when auto-explore is activated
Spacetime tuning and gather the threads will now only break on spell cast
Blood lich rarity is now more in line with other liches
Fixed antim-magic tree description

git-svn-id: http://svn.net-core.org/repos/t-engine4@4956 51575b47-30f0-44d4-a5cc-537603b46e54