[imp] upgrade from 4.0.4 to 4.1

[Alainn]

This is VERY similar to the problem I have in imp-4.1 - I am going to bet that
this is the same problem.

I am wondering whether any of the PEAR modules need to be at Beta release level
or something

Álainn
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"The cheese-mites asked how the cheese got there,
And warmly debated the matter;
The orthodox said that it came from the air,
And the heretics said from the platter."                       Anon.