Loops

Add Looping configuration like

```
 bolte thak [iterator] [starting point] -> [ending point] [iterator++]:
              kemon achis iterator

```

eg

```
bolte thak i [0] -> [10] [i++] :
           kemon achis i
```

result 
```
 0
1
2
3
4
5
6
7
8
9
10
```
