v1.7.1

• chore: add missing @param descriptions (483613b)
• chore: add missing @returns tag (5ae795f)
• chore: correct @returns jsdoc tag for all functions (42943ae)
• chore: correct case of type for @param jsdoc tag (104cd7f)
• chore: update gitignore with latest github version (8c1806c)
• chore(deps-dev): bump conventional-changelog-cli from 2.0.31 to 2.0.34 (96bed5d)
• chore(deps-dev): bump eslint-plugin-jest from 23.9.0 to 23.13.2 (dca93c4)
• chore(deps-dev): bump eslint-plugin-jsdoc from 25.4.3 to 26.0.0 (8b387b1)
• chore(deps-dev): bump jest from 25.5.4 to 26.0.1 (a02735a)
• chore(deps-dev): bump typescript from 3.8.3 to 3.9.3 (35eead5)
• chore(package): set minimum engine version (5b14c99)
• tests(index): replace .then() method with async/await (2fed54c)
• build(deps-dev): add promise and jsdoc eslint plugins; update config (4cb22a1)
• docs(contributing): update conventional commit link to latest version (628be8d)