06-Oct-2009
Finished most of the features of the widget.
Can now set column type and pkey state
Import now uses the new schema, and imports the data.

05-Oct-2009
Added a widget and model to the import dialog to allow altering column types
I think the import function is now best left in the dialog, using the functions from keximigrate

TODO:
Finish implementing widget
Add 'with data' bool option

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21-Sep-2009
Import table dialog works (barely)

TODO:
Move the import function into KexiMigrate
Steal dialog from csv import to allow change column types
Add 'with data' bool option