Updated /lib/Serial_Item.pm with POD from wiki docs
Merge pull request #102 from drobinson0919/master

Updated lib/Serial_Item.pm with POD from wiki docs
Updating lib/items with POD from 'old' docs
Updating lib/items with POD from 'old' docs
Merge pull request #103 from drobinson0919/master

Updated lib/items with POD from 'Old' docs