在努力地更新地圖工具...
2011-12-05: Dialog box can be cancelled by Esc and submitted by Enter.
2011-12-04: Ajax is now async. Can have a separate database config php file. Silence php/mysql error messages.
2011-12-03: Cleanup highlight and text selection more rigorously.
2011-12-03: Added sync status indicator, sync etag, and gzip compression for view map.
2011-12-03: Text tool use prompt box instead of textbox, would not overwrite layer text if text is empty.
2011-12-02: Implement map sharing.
2011-12-01: Avoid unnecessary mask clearing, so that new map won't ask for save on leave.
2011-11-28: Added export to table BBCode, re-layout import/export screen
2011-11-27: Loading / importing map would recreate the map correctly (fix move tool / colouring failed on restored map)
