adding a new method 'replaceWith'

Did by analogy jquery

The `.replaceWith()` method removes content from the DOM and inserts new content in its place with a single call. Consider this DOM structure:

```html
<nav>
  <a class="first" href="#first">first</a>
  <a class="second" href="#second">second</a>
</nav>
```
The second element could be replaced with new element

``` javascript
newEl = jBone('<b>second<b>')
jBone('.second').replaceWith(newEl)
```

This results in the structure:
```html
<nav>
  <a class="first" href="#first">first</a>
  <b>second<b>
</nav>
```

`replaceWith` works with jBone and with DOM elements