auto-create the session cache directory if needed (and git-ignore it)
added autofocus to add/edit forms for notebooks, notes & directories
FIX random sort order in notebooks list & in notebook tree
implemented image button
pre-fill link input with 'http://'
remove base64 code for images when displaying note code
FIX some warnings & errors that I forgot to display
FIX avoid having notebook root selected at the same time as another item
interactively update the source code displayed when editing a note
updated version number
WIP added arrows in front of directories in the tree to fold/unfold it
not yet saved on server, always unfolded by default
moved edit/delete buttons to dropdowns in tree view
FIX hide dropdown when click outside of it
make the toolbar always visible even when scrolling in panel or content
moved add note/directory buttons to the bottom of the tree
updated version history & TODO list in README.md
access notebooks via dropdown without returning to homepage + minor fix for sub-toolbars (headings & link)
mixed up in my commit
Now it truly is: check that 'cache/' directory is writable or 'creatable' on install