./manicure.rb:617:in `<<': can't convert nil into String (TypeError)
	from ./manicure.rb:617:in `generateCLIParse'
	from ./manicure.rb:218:in `displayCommandStrings'
	from ./manicure.rb:202:in `each'
	from ./manicure.rb:202:in `displayCommandStrings'
	from ./manicure.rb:195:in `initialize'
	from ./manicure.rb:1492:in `new'
	from ./manicure.rb:1492