This isn't currently working, but I added some functionality with prepositional phrases (in theory).
 On branch master
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   Clause.cpp
	modified:   Clause.h
	modified:   HelperFunctions.h
	modified:   Phrase.cpp
	modified:   Phrase.h
	modified:   PrepPhrase.cpp
	modified:   PrepPhrase.h
	modified:   SentenceDiagrammer.exe