MaskedEdit updates from Will Sadkin:

MaskedEdit updates from Will Sadkin:
    - Added '*' mask char that means "all ansii chars" (ords 32-255)
    - Added proper unicode support to masked controls and wx.tools.dbg
    - Fixed two reported missing import bugs introduced by package
      creation
    - Converted masked package doc strings to reST format for better
      epydoc support
    - lots of doc string improvements and function hiding to better
      reflect package's public contents.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29787 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775