added in fst snd and or operations
Merge branch 'owenPaul' of github.com:NickStephens/lambda-x

Conflicts:
	SECD/AbstractSyntax.hs
	SECD/Compiler.hs
	SECD/PCONS.hs
	SECD/Parser.hs
	SECD/Translator.hs
Translator now desguring with new operators