Improved compatibility, sort data, update default colorsets

• Improved compatibility with Windows unicode UTF8 setting
• Sort data, new option to sort on column
• Split column, add options pad character, search and replace
• Split column, remove options when contains, decode multiple value
• Default color sets now have 12 colors instead of 8 (less repeats) + optimal color contrast
• Settings dialog, color set preview icons
• Autodetect improved, skip empty lines + clear message when nothing detected
• Metadata for fixed width, also output absolute positions
• Various bugfixes