When the user selects "Pages" radio button in the Range section, it is very
reasonable to expect that she would now want to specify the range. Thus moving
the focus automatically to the page range edit box would save the user a mouse
click.a

Code is contributed under the LGPLv3+ / MPL.

If I am completely wrong, feel free to revert
and fix it the right way

Use prefered methods from SwWW8Writer

Variables were NULL or 0 saved and restored but nothing more.

Change WW8Export::pO to ww::bytes and other related

  - added new presets generated from definition included in ISO standard
  - added missing variables (cd3, hd10, ...)
  - added ifelse shortcut ?:
  - removed GetAdjAngle because it would make problems with constant vs. equation
    defined angles, move conversion to the functions using them
  - implemented arcTo path segment (command)
  - removed GetTextShapeType as we don't use vml's presets for drawingml
    anymore
  - use token number for preset type instead of string, as we don't
    convert to old vml's preset types anymore
  - enhanced custom shape properties dump code