npm packages

• Console with locale timestamp
• Expressing file size in a unit system
• Escapes and unescapes the characters for HTML
• Verify ISBN string format and check digit
• Parsing a PA-API 5.0 Item Image URL
• Converts newlines in a string, trim(), half-width / full-width conversion, etc
• Support characters other than "&" as URL query separator
• Obtain Japanese calendar from Western calendar data（西暦データから和暦を取得）