fixed a possible nesting level bug in obj::indexOf()
added the latest kirby toolkit version
added natural sorting for dirnames
fixed a markdown underscore problem in kirbytag (file: …) https://github.com/bastianallgeier/kirbycms/issues/41
fixed a possible bug when root is just /
fixed the version numbers
better target attributes for link and image kirbytags, rel attribute for linked images in kirbytext
various changes

- better target attributes for link and image kirbytags
- rel attribute for linked images in kirbytext
- alt and title attributes for images can now be set with image meta text files
- the default locale settings can now be changed from the config (c::set('lang.locale', 'en_US'))
the 404 header can now be switched off in the config file