Api/changes

@oalders : I have made all the changes to the scripts in this pull requests. And tidied everything.

Please have a look at it.
I think the scrolling is broken in this script:

```
}
# Request to: http://api.metacpan.org:80
curl -XDELETE 'http://localhost:9200/_search/scroll/cXVlcnlUaGVuRmV0Y2g7NTszMzE3NjU5OTQ6c1VnYS1oSDdTVXFjZy1LdW1WaG5QQTszMzE3NjU5OTY6c1VnYS1oSDdTVXFjZy1LdW1WaG5QQTszMzE3NjU5OTc6c1VnYS1oSDdTVXFjZy1LdW1WaG5QQTszMzE3NjU5OTU6c1VnYS1oSDdTVXFjZy1LdW1WaG5QQTszMzE3NjU5OTg6c1VnYS1oSDdTVXFjZy1LdW1WaG5QQTswOw%3D%3D?pretty=1'

# ERROR: Search::Elasticsearch::Error::Request [http://api.metacpan.org:80]-[500] IndexMissingException[[_search] missing]
#
```