Port Features from other Utility Apps

[AlexHedley]

• Unicode (Unicode #21)
• SQL Formatter
• XML Pretty
• JSON Pretty

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• Remove whitespace
• String Convert
• Diff
• Binary
• Guid
• SQL
  • SQL Builder (IN Clause)
  • SQL LIKE
  • SQL IN - Filter Duplicates
• HEX to RGB
• URL Encode
• URL
• Epoch Converter
• Ascii Checker
• kb - mb - gb converter
• time converter
• MD5 ⛔️
• Hidden Character Finder (link) (Hidden Character Finder #12)
• HTML Encode/Decode
• Luhn Checker

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• Remember selected tab