Add LocalStorageException to synctools package

[sunkup]

Add LocalStorageException to synctools package which is meant to replace CalendarStorageException and ContactsStorageException.

[rfc2822]

Can we already replace the old *StorageExceptions? I think the only thing we have to pay attention to is when they're explicitly caught either in this lib or in DAVx5.

[sunkup]

Can we already replace the old *StorageExceptions? I think the only thing we have to pay attention to is when they're explicitly caught either in this lib or in DAVx5.

Yes, there is one occurence in DAVx5 for the both

• https://github.com/search?q=repo%3AbitfireAT%2Fdavx5-ose+CalendarStorageException&type=code
• https://github.com/search?q=repo%3AbitfireAT%2Fdavx5-ose+ContactsStorageException&type=code

[rfc2822]

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