Software maintenance release.

- Fix Preferences crash
- Fixed printing for wide chartView and improve font sizes for bi & twi-wheel.
- Allow Save As PDF from Print Dialog
- Vehlow House system added.
- Added Preference Setting to select True or Mean Black Moon.
- Added Preference Setting to select the symbol used for Earth.

- Fixed printing for wide chartView and improve font sizes for bi & twi-wheel.
- Allow Save As PDF from Print Dialog
- Vehlow House system added.
- Added Preference Setting to select True or Mean Black Moon.
- Added Preference Setting to select the symbol used for Earth.

Maintenance Release
- Fix various minor issues that can cause software crashes.
- Improved Printing of all views (Use Right-click Menu).

- New wheel style settings for Vedic Astrology: Nakshatra.
- Fixed issue that can cause the App to become unresponsive.

New: Reports can use Modern or Traditional Rulers.
New: Decanates on wheel can display Modern or Traditional Rulers.
New: Wheel can display Egyptian or Ptolemaic Bounds, Terms or Limits.
New: Define your own chart color scheme.

Software Maintenance
- New wheel style settings to emphasize axis cusps.
- Fixed Issue: wheel does not update while time stepping and turning on/off points.

- Added additional glyph for planet Pluto.
- Minor software Improvements and fixes.

- Support for Dark Mode
- Other minor improvements and bug fixes