use bash for readme script because templates are bash

.pedazos_de_readme/update_readme.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 cd "${0%/*}" || exit 1
 output=../README.md
@@ -11,5 +11,5 @@ cat ./INCLUDED.md >>$output
 for item in ../srcpkgs/*; do
 	. $item/template
 	echo "- $pkgname - $short_desc" >>$output
-	echo "\t- v$version - $homepage" >>$output
+	echo -e "\t- v$version - $homepage" >>$output
 done