0.13.1 gitian binaries:

```json
>> sendmany "" '{"ad1":0.1, "ad2":0.1}'
<< "14af4b0aa9a792f32e55d3c9c73b2c6356033825d955ae71313f7dc4008234e1"
```

current master self compiled:
```json
>> sendmany "" '{"ad1":0.1, "ad2":0.1}'
<< "sendmany help text"
```

{
    historyPtr += offset;
    if(historyPtr < 0)
        historyPtr = 0;
    if(historyPtr > history.size())
        historyPtr = history.size();
    QString cmd;
    if(historyPtr < history.size())
        cmd = history.at(historyPtr);
    ui->lineEdit->setText(cmd);
}
void RPCConsole::startExecutor()