v1.4.0

• Make chunk size default 1/6 of the download file size.
• Better per-chunk download progress reporting.

v1.3.0

• Fix a potential issue with the chunk order. Thanks, @jiangzhuo. (#1)

v1.2.0

• Add types.

v1.1.1

• Switch to an options object.

v1.0.0

• Initial release.