Security fix.
=== v0.9.15.1 15/03/2012 ===
* Corrected security bug allowing user to get out of the restricted
shell. Thank you bui from NBS System for reporting this grave issue!
=== v0.9.15 13/03/2012 ===
* Set the hostname to the "short hostname" in the prompt.
* Corrected traceback when "sudo" command was entered alone. Thank you
Kiran Reddy for reporting this.
* Added support for python2.3 as subprocess is not included by default.
* Corrected the 'strict' behavior when entering a forbidden path.
* Added short path promp support using the 'prompt_short' variable.
* Corrected stacktrace when group did not exist.
* Add support for empty prompt.
* Fixed bugs when using $() and ``.
* Corrected strict behavior to apply to forbidden path.
* Added support for wildcard '*' when using 'cd'.
* Added support for "cd -" to return to previous directory.
* Updated security issue with non printable characters permitting user
to get out of the limited shell.
* Now lshell automatically reload its configuration if the configuration
file is modified.
* Added possibility to have no "intro" when user logs in. (by setting
the intro configuration field to "")
* Corrected multiple commands over ssh, and aliases interpretation.
* Added possibility to use wildcards in path definitions.
* Finally corrected the alias replacement loop.
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