Added 'set -e' safe guards to colours.sh, pull.sh and status.sh

colours.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+
 # Print out escape sequences usable for coloured text on tty.
 # shellcheck disable=2016
 printf 'Colour escapes are %s\n' '\e[${value};...;${value}m'

pull.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do

status.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do