Add missing encoding headers.
Remove unused import.
Update trove classifiers.
Update short description.
Update authorship metadata.
Update contact mail.
Add installation notes in README
Setup travis
Update layout.
Use explicit name for kwargs in tests
Create MetadataAPI
Rename MetadataAPI.get to MetadataAPI.get_metadata
Forward all constructor arguments of MetadataAPI to its baseclass
Update Changelog
Add license badge
Add PyPi download counter
Use email address of our GitHub organization page.
Add requirements badge and update descriptions.
Force latin1 encoding of HTTP headers

The "Charset" header only applies to request data. Request headers must
always be latin1 (ISO-8559-1) encoded. If a header is UTF8 encoded, it
will be decoded as latin1 by the server, resulting to a double encoding
issue if the header is re-encoded as UTF8.
Fix typo