Fix issue #12. Add a failure callback to save API call
Fixes bug that ignores the extended field
Merge pull request #15 from suryatech/edit

Make sure to load the extended field value.
Fixes bug that opens options page even if the settings are correct
Merge pull request #16 from suryatech/cb

Fix issue #12. Add a failure callback to save API call
Add support for periodic sync of known bmarks.