Improvements & Fixes:

• Adds convenient code line number to html report FileListDialog improving ability to verify match #70
• Replaces restrictive built-in exclusion list with user customization list with prior defaults #122
• Fixes paths with spaces for launching output.html automatically #121
• Addresses an error detecting languages including when files are skipped for size or exclusion reasons #109
• Adds Dart language to allowed language file types to scan #95
• Removes breaking header from JSON output #125