Revert "SocketCommanderRemake 'beta 0.1'"

This reverts commit 8041b642d6800636c22f7fd12b831fc3f864f7c9.
Revert "Revert "SocketCommanderRemake 'beta 0.1'""

This reverts commit 0d8c08a37f2c307de5c61a7d9ea092d0f636ef5f.
Connection Error fix & add Max Connection

최대 연결 수 추가 및 연결 오류 수정
Connection Error fix & add Max Connection