Correct typo 'Encumbrance'

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24729 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Ammo should alter Damage and Attack Values

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24730 ef53c05b-3124-4d59-ae7d-fe3273f42be7