Updated to 0.5

* Fix bug introduced in rev:a3a710f720dd with passwd arguments.
* Backout the additional objectClasses patch for mkdir: same behavior can
  be acheived with 'touch', less complex to leave it as is.
* Add a --version flag.
* Small documentation fixes, add better verbosity when saving connection
  cache data.
* Make sure the hasSubordinates attribute is defined before checking its
  value.
* fix 'ls -R' output, minor style cleanup
* Repair broken path behavior, remove unneeded #path_to_dn 'relative' flag.

(imil)