More Unicode support added (though untested).
Added TONS of comments
Changed code to demonstrate the new wxDbConnectInf class
ODBC environment handle now managed via the wxDbConnectInf class
Fixed bug where editing a displayed record would not save if the user name was changed.
Other minor bug fixes
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9276 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775