Imio.pm.ws

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- Adapted code regarding changes in Products.PloneMeeting 4

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- If no 'preferredMeeting' is provided when creating an item, use 'whatever'
or created item is not consistent

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- Calling getItemInfos will now also return the 'detailedDescription'
as it can be used when creating an item
- Added parameter 'attribute' to CreationData and ItemInfo so we can specify
a preferredMeeting when creating an item and we get the preferredMeeting when
using getItemInfos

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- Added item creation date and modification date in ItemInfo (getItemInfo and searchItems)
- Added package version in the testConnection call
- Added SOAP call to getMeetingsAcceptingItems

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- Use with Products.PloneMeeting 3.3+
- Adapted tests to use IAnnexable.getAnnexesInOrder as IAnnexable.getAnnexes was removed

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- Use with Products.PloneMeeting 3.2+
- Handle case where libmagic could not determinate annex mimetype correctly (and added test)