Add Hippocorpus Dataset
CONTRIBUTOR
> Before we merge can you try to reduce the size of the dummy_data.zip file ?
> 
> To do so feel free to only keep a few lines of the csv files ans also remove unnecessary chunks of texts (for example keep only the first sentences of a story).

Hi @lhoestq, I have reduced the size of the dummy_data.zip file by making the necessary changes you had suggested. 
2020-12-14T03:27:59Z
https://github.com/huggingface/datasets/pull/1536#issuecomment-744142467
https://api.github.com/repos/huggingface/datasets/issues/1536
MDEyOklzc3VlQ29tbWVudDc0NDE0MjQ2Nw==
https://api.github.com/repos/huggingface/datasets/issues/comments/744142467/reactions
2020-12-14T03:27:59Z
https://api.github.com/repos/huggingface/datasets/issues/comments/744142467
https://avatars.githubusercontent.com/u/6687858?v=4
https://api.github.com/users/manandey/events{/privacy}
https://api.github.com/users/manandey/followers
https://api.github.com/users/manandey/following{/other_user}
https://api.github.com/users/manandey/gists{/gist_id}
https://github.com/manandey
manandey
MDQ6VXNlcjY2ODc4NTg=
https://api.github.com/users/manandey/orgs
https://api.github.com/users/manandey/received_events
https://api.github.com/users/manandey/repos
https://api.github.com/users/manandey/starred{/owner}{/repo}
https://api.github.com/users/manandey/subscriptions
User
https://api.github.com/users/manandey
public
MEMBER
merging since the CI is fixed on master
2020-12-15T13:40:07Z
https://github.com/huggingface/datasets/pull/1536#issuecomment-745292705
https://api.github.com/repos/huggingface/datasets/issues/1536
MDEyOklzc3VlQ29tbWVudDc0NTI5MjcwNQ==
https://api.github.com/repos/huggingface/datasets/issues/comments/745292705/reactions
2020-12-15T13:40:07Z
https://api.github.com/repos/huggingface/datasets/issues/comments/745292705
https://avatars.githubusercontent.com/u/42851186?v=4
https://api.github.com/users/lhoestq/events{/privacy}
https://api.github.com/users/lhoestq/followers
https://api.github.com/users/lhoestq/following{/other_user}
https://api.github.com/users/lhoestq/gists{/gist_id}
https://github.com/lhoestq
lhoestq
MDQ6VXNlcjQyODUxMTg2
https://api.github.com/users/lhoestq/orgs
https://api.github.com/users/lhoestq/received_events
https://api.github.com/users/lhoestq/repos
https://api.github.com/users/lhoestq/starred{/owner}{/repo}
https://api.github.com/users/lhoestq/subscriptions
User
https://api.github.com/users/lhoestq
public