Log Message:
Update to 1.64:

#========================================================================
# Version 1.64  Date: 2007/01/02 (Adam Kennedy)
#========================================================================

* Bug fix to prevent crashing for users with no home directory

* Increase File::HomeDir dep to 0.61 which supports no home directory
  cases properly.

#========================================================================
# Version 1.63  Date: 2006/08/03 (Adam Kennedy)
#========================================================================

* Unified version numbers and removed repository magic

* Removed "use warnings" to get the Perl version dependency back to 5.005

* Removed "use base Exporter" which doesn't always work

* Use File::HomeDir to find $HOME instead of doing it ourself, sorta

* Fixed a POD bug in AppConfig::Sys and added a 99_pod.t test

* Added a LICENSE file