Move folder/directory list auto-scrolling functionality to treelist widget (same as auto-expand) and make it work without list header/footer blocks
Fix compat. with PHP 5.2 (#1489500)
Make sure prefs always is a valid array (otherwise causes fatal errors if language if not set)
Fix error when calling get_selection() after any (selected) row was removed
modify Net_Sieve requirement from 1.8.2 to 1.3.2 as the former is not available
Fix issue where filesystem path was added to all-attachments (zip) file (#1489507)
CS fixes
Merge pull request #161 from Musashi69/patch-1

Correct Net_Sieve requirement from 1.8.2 to 1.3.2
Extracting inline image data into attachments also if data type is not set