[HH] Proper MIME type for files.
[HH] Socket object isn't needed.
[HH] Support listening on multiple addresses for #1409.
[HH] Bind error handling.
[HH] Check for empty acceptors.
[HH] Added AddressesModelManager for #1409.
[HH] Addresses dataview for #1409.
[HH] Apply chosen addresses.

Closes #1409.
[XSD] Pass indexes to remove in reverse order in dataview.
[XSD] Bigger range for spinboxes in dataview editor.