Fix enumeration type to support values with spaces

bashopts.sh

@@ -19,7 +19,7 @@
 
 set -e
 
-BASHOPTS_VERSION=2.1.0
+BASHOPTS_VERSION=2.1.1
 
 bashopts_exit_handle() {
   local err=$?
@@ -256,7 +256,7 @@ bashopts_declare() {
             -l) options[long_opt]=$1;       shift;;
             -d) options[description]=$1;    shift;;
             -t) options[type]=$1;           shift;;
-            -e) options_enum_values+=($1);  shift;;
+            -e) options_enum_values+=("$1");shift;;
             -m) options[method]=$1;         shift;;
             -k) options[check]=$1;          shift;;
             -s) options[setting]="true";;
@@ -280,7 +280,7 @@ bashopts_declare() {
             if [ ${#options_enum_values[@]} -lt 2 ]; then
                 bashopts_log C "bashopts_declare: ${options[name]} enumeration need at least two elements (two '-e <val>' calls at least)"
             fi
-            options[enum_values]="$(IFS=$'\n'; echo "${options_enum_values[*]}")"
+            options[enum_values]="$(printf "%s\n" "${options_enum_values[@]}")"
             ;;
         s|str|string)
             options[type]="string"