v2.0.1

• build(deps-dev): bump dev dependencies (d21e32f)
• fix(index): return promise objects (81cddaa)
• docs(index): correct return jsdoc tag for parseoptions function (104a3a2)
• chore(index): rename const to reflect functionality (d7633d1)
• refactor(index): concat invalid args provided into error object (12a5c04)