set-option -g mode-keys vi
set-option -g base-index 1
set-option -g default-terminal "screen-256color"
-set-option -g escape-time 50
+set-option -g escape-time 1
set-option -g repeat-time 0
set-option -g history-limit 20000
+set-option -g renumber-windows on
set-option -g prefix C-a
unbind-key C-b