Added Lunge to combat panel.
Off hand weapon now defaults to NONE.
Added effects of Two-Weapon Defense.
Fixed bug preventing parceling of WeapShield.

This prevented PlayerCharacter from being parceled, resulting an
inability to send characters.

Bug introduced in commit f273d5b4727d730639b7191683895da8de93dc67.
Applied benefits of Toughness to HP.
Factored in Dodge feat to AC, with condition modifiers.