Changed the width argument to event.window, its more intuitive.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@363 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Changed eventList argument to event.list, made it consistent with other args.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@364 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Fixed error message, added comment.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@365 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Changed ees arguments to event.window and event.lists.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@366 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Changed eventstudy.output with result.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@367 edb9625f-4e0d-4859-8d74-9fd3b1da38cb