Misc changes.
Added an example.pl file with sample code. Also
Added the PPD file to the manifest (duh!). P4::Run() now returns
an array reference instead of a formatted string when used in
scalar context where more than one result is returned.
Also renamed the shortcut GetXXX and SetXXX methods to be
FetchXXX and SaveXXX because GetClient() and SetClient() we
already defined by P4::Client.