Added missing converting methods.
Added missing converting methods.

blairmcg/Dolphin,shoshanatech/Dolphin,objectarts/Dolphin,shoshanatech/Dolphin,dolphinsmalltalk/Dolphin,ScottyPotty1/ScottyPotty1-Main-Repository,blairmcg/Dolphin,shoshanatech/Dolphin,jgfoster/Dolphin,dolphinsmalltalk/Dolphin,jgfoster/Dolphin,jgfoster/Dolphin,objectarts/Dolphin,ScottyPotty1/ScottyPotty1-Main-Repository,dolphinsmalltalk/Dolphin,jgfoster/Dolphin,dolphinsmalltalk/Dolphin,blairmcg/Dolphin,shoshanatech/Dolphin,blairmcg/Dolphin