minor updates to tmux conf

.tmux.conf

@@ -8,7 +8,7 @@ setw -g automatic-rename on # let programs rename tmux-tab
 set-window-option -g utf8 on # always utf8
 set -g default-terminal "screen-256color"
 set -g history-limit 1000000
-set -g default-path '~/code'
+set -g default-path "$PWD"
 
 ## COLORS
 set -g status-bg colour53 
@@ -28,6 +28,9 @@ bind - split-window -v
 # gnu-screen's next (space)
 unbind " "
 bind " " next-window
+# gnu screen's prev (bspace)
+unbind BSpace
+bind BSpace previous-window
 # rename window
 unbind A
 bind A command-prompt "rename-window %%"