Remove unused win-switch package
Clean documentation and remove unused code

Not using helm nor shut-up.
more typos to fix automatically with C-c k
Resize and comment on unicode, doc amendments

Note on moving between emacs frames.
evil mode -- initial setup

Cursor and mode-line are affected.
Bind .txt extension to org mode
evil-surround & explicit cursors by evil state

The evil mode-line code is still unmodified