This reverts commit c69ce68b.

* use unsigned in bitwise operator

* use unsigned in bitwise operator

* Revert "fix"

This reverts commit 51aa8940.

* check sizeof deckBuffer in LoadDeck

* clear current_deck when selecting a wrong file

* use local var in ServerEchoRead, ClientRead

* zero init in GetResponse

* verify the source of BufferIO::CopyWStr

* add BufferIO::NullTerminate

* use MAX_STRING_ID

* use constant

* use constant

Merge commit 'a8a1bac7' of github.com:Fluorohydride/ygopro into server

This is very popular in custom card or rush duel communities. So we have to change it back.