- update to 2.3
* user-contributed scripts repository https://github.com/jarun/nnn/tree/master/user-scripts
* substring search for filters (option -s)
* version sort (option -n)
* key N (1 <= N <= 4) to switch to context N
* disk usage calculation abort with ^C
* create sym/hard link(s) to files in selection
* archiving of selection
* show dir symlinks along with dirs on top
* use nnn as a file picker with picker.sh
* fixed CJK character handling at prompts
* bring back NNN_OPENER to specify file opener
* env var NNN_NOTE and keybind ^N for quick notes
* handle multiple arguments in VISUAL/EDITOR
* show the current directory being scanned in du mode
* select all files with Y
* remap key to show command prompt to ^P
* key , replaces ` as alternative Leader Key
* keybind for visit pinned directory is now ^B
* additional key ^V to run or select custom script
* use libreadline for command prompt
* reduce delay on Esc press
* config option to avoid unexpected behaviour on 0-byte file open (see #187)
* rename config option DISABLE_FILE_OPEN_ON_NAV to NNN_RESTRICT_NAV_OPEN
* keys removed - $, ^, Backspace, ^H, ^P, ^M, ^W, `