Finish (re)naming D2Net functions

D2Net_10006 Should probably be SERVER_Send or SERVER_SendToClient. (if option n°2, then rename CLIENT_Send to CLIENT_SendToServer)

Here are names from @Necrolis we may want to get inspiration from

D2Net.#10000 - InitSystem D2Net.#10001 - ShutdownSystem D2Net.#10002 - Wait D2Net.#10003 - CreateQServer D2Net.#10004 - CloseQServer D2Net.#10005 - SendToServer D2Net.#10006 - SendToClient D2Net.#10007 - RecvFromBufferClt D2Net.#10008 - RecvFromHiPriorityBufferClt D2Net.#10009 - <Missing?????> -> assuming this is RecvFromLoPriorityBufferClt D2Net.#10010 - RecvFromBufferSrv D2Net.#10011 - RecvFromHiPriorityBufferSrv D2Net.#10012 - RecvFromLoPriorityBufferSrv D2Net.#10013 - GetSocketName D2Net.#10014 - GetIPAddress D2Net.#10015 - CreateConnection D2Net.#10016 - CloseConnection D2Net.#10017 - Connect D2Net.#10018 - SetQServerData(0xBD8) D2Net.#10019 - SetConnectionCallback D2Net.#10020 - SetConnectionData D2Net.#10021 - GetConnectionData D2Net.#10022 - Wait(0xBD4) D2Net.#10023 - SetQServerMode D2Net.#10024 - GetLastWSAError D2Net.#10025 - CreatePollThread D2Net.#10026 - SetMaxClients D2Net.#10027 - GetMaxClients D2Net.#10028 - Return D2Net.#10029 - Return D2Net.#10030 - GetClientPacketSize D2Net.#10031 - GetServerPacketSize D2Net.#10032 - CloseAllConnections D2Net.#10033 - GetQServerIP D2Net.#10034 D2Net.#10035 D2Net.#10036 D2Net.#10037 D2Net.#10038 D2Net.#10039 - GetSendFunction D2Net.#10040 - GetDataFunction

Originally posted by @Lectem in https://github.com/ThePhrozenKeep/D2MOO/pull/96#discussion_r1082353482