Minor fixes and enhancements.

Minor changes - Fixed fuzzy display on some displays - Now compatible with El Capitan +

Minor enhancements/fixes - Fixed display of 24-hour clock format (properly this time!) - Update display on change of timezone - Ensure clock icon not hidden when no menu bar cities chosen - Use of monospaced font for clock digits, improving readability - Corrected display of day difference indicator over change of month

Minor tweaks you asked for... - Fixed display of 24-hour clock format - Added option to show UTC in the menu bar - Added option to no longer display width warning

Minor user request - Allow current date with no time * Will tidy up confusing preferences for next release

Some minor tweaks and requested features - Handle dark menu bar in high sierra - Option to show date and UTC in menu - Option to show date in menu bar - Removed need for high performance graphics

Bug fixes.

- Show individual clocks for cities in the menu bar - Different clock styles for daylight and nighttime - Accurate sunrise, sunset and twilight times - Create menu times for anywhere, not just big cities

Now updates time when menu left open