unload imported DLL possible?

[Robert Kiendl]

I'am often importing C++-writen DLL's.

Often debug-changes in the DLL are necessary, while it would be
desireable to have the python-machine standing with lots of fingered
woodpile in it.

One possibilty is to work with numbered DLLs ... consecutively importing
them and have them appearing under a constant alias.

But many times I asked me, if python supports unloading a DLL if no more
references to the DLLs funcs are present?

-robert