change cardid to uint64_t

[salix5]

5.2.10 Reinterpret cast
[expr.reinterpret.cast]
paragraph 7
An object pointer can be explicitly converted to an object pointer of a different type. When a prvalue v of object pointer type is converted to the object pointer type “pointer to cv T”, the result is static_cast<cv T*>(static_cast<cv void*>(v)).
Converting a prvalue of type “pointer to T1” to the type “pointer to T2” (where T1 and T2 are object types and where the alignment requirements of T2 are no stricter than those of T1) and back to its original type yields the original pointer value.

ygopro is full of pointer casting.
Since effect is 8 bytes alignment now, card and group should be 8 bytes alignment.

card
group
為了讓指針轉型成立，都改成8對齊

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