More tests verified

Jeremy,

I am still working my way through the tests:

Failed:

<description-logic/Manifest601#test> - I will investigate when I have
                                       more time.

Checked and verified:

<description-logic/Manifest602#test>
<description-logic/Manifest603#test>
<description-logic/Manifest604#test>
<description-logic/Manifest605#test>
<description-logic/Manifest606#test>
<description-logic/Manifest608#test>
<description-logic/Manifest609#test>
<description-logic/Manifest610#test>
<description-logic/Manifest611#test>
<description-logic/Manifest612#test>
<description-logic/Manifest613#test>
<description-logic/Manifest614#test>
<description-logic/Manifest615#test>
<description-logic/Manifest616#test>
<description-logic/Manifest617#test>
<description-logic/Manifest623#test>
<description-logic/Manifest624#test>
<description-logic/Manifest625#test>
<description-logic/Manifest626#test>
<description-logic/Manifest627#test>
<description-logic/Manifest628#test>
<description-logic/Manifest629#test>
<description-logic/Manifest630#test>
<description-logic/Manifest631#test>
<description-logic/Manifest632#test>
<description-logic/Manifest633#test>
<description-logic/Manifest634#test>
<description-logic/Manifest641#test>
<description-logic/Manifest642#test>
<description-logic/Manifest643#test>


More results will follow soon (I hope).

Ian