* update config for early tmux versions

* use suffix for bash history from tmux pane number

.tmux.conf

@@ -1,5 +1,5 @@
 ## Prefix like in screen
-set -g prefix 'C-a'
+set -g prefix 'C-d'
 
 ## Use xterm keys (makes eg. Ctrl+Arrow navigate words)
 set-window-option -g xterm-keys on
@@ -76,7 +76,7 @@ set-option -g display-panes-colour colour240
 # --- END colours superhero ---
 
 # Use zsh regardless of default settings
-if-shell 'test -x /usr/bin/zsh' 'set-option -g default-shell /usr/bin/zsh'
+#if-shell 'test -x /usr/bin/zsh' 'set-option -g default-shell /usr/bin/zsh'
 
 # switch panes using Alt-arrow without prefix
 bind -n M-Left select-pane -L