I've fixed up this bot and it is working but it looks like the source has issues with listing the same items twice in some cases. Is there a way to ignore this?
Example
```
[9:04:45] xavierriley:gb_national_storage_mechanism $ ag -Q "368456654547435" output_june_2015.json
342925:{"filed_at":"2015-06-24 17:26","title":"Chemring Group PLC - Holding(s) in Company","filing_id":"368456654547435","url":"http://tools.morningstar.co.uk/tsweu6nqxu/globaldocuments/document/rnsNewsItem.aspx?DocumentId=368456654547435","filing_source":"RNS","company_name":"Schroders PLC","filing_type":"Holding in Company","source_url":"http://tools.morningstar.co.uk/tsweu6nqxu/globaldocuments/list/default.aspx","sample_date":"2015-06-26 09:04:37 +0100"}
342926:{"filed_at":"2015-06-24 17:26","title":"Chemring Group PLC - Holding(s) in Company","filing_id":"368456654547435","url":"http://tools.morningstar.co.uk/tsweu6nqxu/globaldocuments/document/rnsNewsItem.aspx?DocumentId=368456654547435","filing_source":"RNS","company_name":"Chemring Group PLC","filing_type":"Holding in Company","source_url":"http://tools.morningstar.co.uk/tsweu6nqxu/globaldocuments/list/default.aspx","sample_date":"2015-06-26 09:04:37 +0100"}
```