Releaase 1.3

What's Changed

• Bugfix remove duplicate without operator lt by @jesperkdab in #66
• Introduce algorithms sum and sum_if by @jesperkdab in #67

Full Changelog: 1.2...1.3

Release 1.2

New Algorithm multi_partition

Release 1.1

new algorithms sort_by and sorted_by.

First official release

1.0.0

Started a page with some examples for inspiration