Added first-pass at multi-part uploading
Further work on multipart supprt - added list_multipart_uploads
Added specs and changed complete_multipart return
Merge pull request #48 from fogfish/master

{ok, ...} | {error, ...} signature to ec2 api
Signature v4
Always include update action - required by DynamoDB Local
SecurityToken support
Fix base16 to handle leading 0
Merge pull request #49 from talko/sigv4

Implement AWS signature v4 and use for erlcloud_ddb
Bugfixes: (1) Use 'NextToken' attribute in API call and (2) include the next token in the result so that it can be used in follow-up calls to list_domains/1 for situations where there are more than 100 domains.
allow none slugified s3 path's to be generated  by urlencoding them
user url_encode_loose
Merge pull request #54 from locojay/master

generate link for s3 key's with spaces
Merge pull request #52 from cobusc/master

Bugfixes: (1) Use 'NextToken' attribute in API call and (2) include the ...
erlcloud_s3:get_object/4 is now exported
Merge pull request #56 from project-fifo/export-get_object-4

erlcloud_s3:get_object/4 is now exported
Update for R16 crypto changes.
Metadata should use head not get
Merge pull request #57 from project-fifo/r16

Update for R16 crypto changes.
Merge pull request #58 from project-fifo/s3-metadata

Metadata should use head not get