v0.5.5

• put_aws_sigv4: Fix detecting service

• put_aws_sigv4: Raise on no :access_key_id/:secret_access_key/:service

• put_aws_sigv4: Fix handling ?name (no value)

• handle_http_errors: should run before verify_checksum

• encode_body: Support %File.Stream{} in :form_multipart

• encode_body: Support %File.Stream{} from other nodes in :form_multipart