bugfix: wrong initial allocation size for literal searches when an argument is specified (only relevant when someone passes an empty string to search)
iopen can be called with an argument specifying the intial text to search (mirroring the search command)
bugfix: return on iopen window opens the first result if nothing else is selected
bugfix: autocompletions window flickering through several positions rapidly
fixes for documentation
command to focus command line
bugfix: oldscroll doubleclick fix
bugfix: buffer close closes the associated frame when appropriate
bugfix: ctrl-f in search mode behaves like ctrl-g