1.0.0

- Mark/unmark the current file with a single command (harpoon_add)
- Jump directly to a marked file by slot number (harpoon_goto)
- Browse all marks in a quick panel (harpoon_list)
- Cycle forward/backward through marks (harpoon_next / harpoon_prev)
- Clear all marks for the current project (harpoon_clear)
- Marks scoped per project, stored in .sublime-project via project_data()
- Automatic pruning of dead marks pointing to deleted/moved files