New Features

• Remove support for OpenSSL 1.0.x and below.
• Support range-based 'for' loop for ParallelWork.

Improvements

• Support URLs longer than 2GB bytes.
• Change crc32c module.
• Reject control characters in HTTP header.
• Interface name: create_fdsync_task() -> create_fdatasync_task().

Bug Fixes

• Incorrect 'errno' bug after 'get_connection()' failed.