Enable sse2 for CSV parsing.

* Better debug helpers

* fix

field visitors for UUID CLICKHOUSE-3249

Fix includes

Updated ZooKeeper admin tips [#CLICKHOUSE-3]

10'th part have to be included

ill formated #else breaks client history

It seems like 10th path should be included in scanning.

Testing data

```
select 'aaaaaaaa,bbbbbbbb,cccccccc,dddddddd,eeeeeeee,ffffffff,gggg,hhh' from numbers(3000000) into outfile '/tmp/test.csv'
```

Testing command
```
echo "select count() from file('/tmp/test.csv', CSV, 'a String, b String, c String, d String, e String, f String, g String, h String') where not ignore(e)" | clickhouse-benchmark

```

Before
```
QPS: 1.317, RPS: 3949749.687, MiB/s: 478.380, result RPS: 1.317, result MiB/s: 0.000.
0.000%  0.704 sec.
10.000% 0.712 sec.
20.000% 0.718 sec.
30.000% 0.726 sec.
40.000% 0.739 sec.
50.000% 0.754 sec.
60.000% 0.770 sec.
70.000% 0.788 sec.
80.000% 0.798 sec.
90.000% 0.815 sec.
95.000% 0.826 sec.
99.000% 0.850 sec.
99.900% 0.857 sec.
99.990% 0.858 sec.
```

After
```
QPS: 1.533, RPS: 4598308.336, MiB/s: 556.932, result RPS: 1.533, result MiB/s: 0.000.
0.000%  0.626 sec.
10.000% 0.635 sec.
20.000% 0.639 sec.
30.000% 0.642 sec.
40.000% 0.643 sec.
50.000% 0.645 sec.
60.000% 0.649 sec.
70.000% 0.652 sec.
80.000% 0.658 sec.
90.000% 0.682 sec.
95.000% 0.710 sec.
99.000% 0.727 sec.
99.900% 0.733 sec.
99.990% 0.734 sec.
```

Make ZK operation timeout configurable