v1.4.0

What's Changed

• [SAM] Week 4 solutions. by @SamTheKorean in #86
• 5주차 문제 폴더 추가 by @DaleSeo in #89
• Evan, Week 4 by @sounmind in #85
• [김한기] - Week 4 solutions by @meoooh in #87
• [Hyun] Week 4 Solution Explanation by @WhiteHyun in #90
• [Vidam, Invidam] Week 4 Solution by @Invidam in #92
• [bhyun-kim, 김병현] Week 4 solutions by @bhyun-kim in #88
• [Leo] 4th Week solutions by @leokim0922 in #91
• [Sehwan]Week4 solutions with javascript by @nhistory in #93
• [Helena] Week 4 solutions by @yolophg in #96
• [박종훈] 4주차 답안 제출 by @dev-jonghoonpark in #94
• Saysimple week4 by @saysimple0828 in #95

Full Changelog: v1.3.0...v1.4.0