text:  While the principal objects of the framers of them have been accomplished by effecting a great saving of expense in the length of the pleadings and their incidents; by securing an economical and satisfactory trial at Nisi Prius through the precise and specific nature of the issues required to be presented to the jury and the effectual expedients resorted to for the purpose of saving an unnecessary expenditure in obtaining evidence: it cannot be denied that the excessive stringency of the rules which restrict a plaintiff to a single count in respect of a single cause of action and a defendant to a single plea in support of a single ground of defence too frequently operates most injuriously so as to secure the defeat of justice