Core/Datastore: Updated DBC and DB2 checks.

Updated SpellMisc.dbc structure.
Core/PacketIO: Updated CMSG_CHAR_CREATE structure and opcode.
Updated SMSG_CHAR_CREATE opcode.
Updated CMSG/SMSG_RANDOMIZE_CHAR_NAME opcodes.
Updated CMSG_CHAR_DELETE structure and opcode.
Updated SMSG_CHAR_DELETE opcode.