Additional fix for issue #2 - add pref to allow disabling of double-encoding special chars, if necessary in future
Additional fix for issue #2 - add pref to allow disabling of double-encoding special chars, if necessary in future.  Also, replace a few more special chars
Shorten chain of objects for overlay object to satisfy Mozilla Add-on validation
Shorten chain of objects for overlay object to satisfy Mozilla Add-on validation
Fixed typo.  Also, shorten chain of objects for overlay object to satisfy Mozilla Add-on validation
Bug fix: Overwriting existing bookmarks had stopped working