v1.1.6

What's Changed

• implements list.Rand() for random element [#59] by @emylincon in #61
• implements exists [#60] by @emylincon in #64
• update doc [#63] by @emylincon in #65
• implements combinations [#62] by @emylincon in #69
• implements isequal [#68] by @emylincon in #70
• implements removing duplicates [#66] by @emylincon in #71
• commented exported methods [#67] by @emylincon in #72

Full Changelog: v1.1.5...v1.1.8