Merge pull request #610 from DannyBen/fix/no-color-spec

fix(colors): only print colors if NO_COLOR is non-empty string

lib/bashly/libraries/colors/colors.sh

@@ -13,7 +13,7 @@
 print_in_color() {
   local color="$1"
   shift
-  if [[ -z ${NO_COLOR+x} ]]; then
+  if [[ "${NO_COLOR:-}" == "" ]]; then
     printf "$color%b\e[0m\n" "$*"
   else
     printf "%b\n" "$*"