Adding an alphagram ivar to Word which is calculated and then stored in the keyed archive
* Dictionary/Dictionary.m: Create Word objects and archive them rather than NSStrings
* Dictionary/Dictionary.xcodeproj: Switch to C99 mode and include Word.m/h
* Scrabbalize.xcodeproj: Mysterious project updates?
* Source/Word.h: Adding alphagram ivar and getter
* Source/Word.m:
(-[dealloc]): New method
(-[initWithCoder:]): New method
(-[encodeWithCoder:]): New method
(-[alphagram]): New method
(-[createAlphagram]): New method
(-[description]): Include the alphagram in the description