[Mod] 修改：BitmexGateway出错时将会在stderr里面打印更详细的错误信息
[Mod] 修改：BitmexGateway出错时将会在stderr里面打印更详细的错误信息

andrewchenshx/vnpy,andrewchenshx/vnpy,andrewchenshx/vnpy,vnpy/vnpy,msincenselee/vnpy,msincenselee/vnpy,bigdig/vnpy,andrewchenshx/vnpy,bigdig/vnpy,bigdig/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,bigdig/vnpy,msincenselee/vnpy,vnpy/vnpy