v2.4.0

Release Changelog

• Add -q or --quiet for quiet mode (see issue #23)
• Add -V or --version for version
• Add -h or --help for CLI help
• Add -j or --json-schema for JSON Schema mode (default mode)
• Add Table of Contents to readme.md (Thanks markdown-toc!)
• Move CLI section to top of readme.md
• Move children of JS API section to Usage section of readme.md
• Fix handling nested object types in JSON Schema (see #22)
• Fix handling nested objects & arrays in JSON Schema (see #22)

Compare v2.3.3 vs 2.4.0