- correct deleting the default container
- imported keys should be stored in their container, not just given to the caller
- tests for these changes

Remove some validation code that is already handled by a more generic
case at the end of the function.

oleaut32: Add a test for passing an invalid number of input parameters into IFontDisp::Invoke with DISPATCH_PROPERTYGET.

Add some tests for IPictureDisp::Invoke.

comparison warnings when compared to an int variable. Use 0xdeadbee
instead.