Multi-zero_start : archive load crashes

[fire-eggs]

The "multi_zero_start" archive, when loaded, crashes.

When the files are extracted and opened as files, no crash.

I think it is due to the AsyncLoader logic only loading the first 5 files. As the archive in question has the first 5 files as invalid, we fall over.

The AsyncLoader logic that loads the first 5 files needs to load the first 5 valid files ...

[fire-eggs]

Doesn't crash any longer. Behavior is still less than ideal: no image displayed but then the user does a "page down" and the first valid image is then displayed.