Match filter against more properties than display name.
Update the SeasidePerson test to allow for caching of display label.

Also fixes a longer standing mismatch in logic between the test and
SeasidePerson about when the contactChanged() signal is emitted, by
favoring SeasidePerson's interpretation.
Merge pull request #95 from adenexter/filters

Match against additional properties when filtering.
Merge pull request #97 from chriadam/master

Support paginated requests with the Facebook adapter
Fix bug in folderUnreadCount() binding.

indexFromFolderId can return -1 if folder id is not valid.
Merge pull request #99 from VDVsx/master

Fix bug in folderUnreadCount() binding.