A basic analyzer to help find problems, though it needs more analyzing. Plus, new theming information that will really help people figure out exactly what templates they can use to affect their output.

NEW: argument defaults and validation; pluggable. This will greatly ease some of the problems with argument discovery. We need to get a few more basic plugins written for this.

Be sure to pass a reference to $this when using call_user_func_array to call a local method, or PHP4 will choke on it

#241917 by John Morahan: Some menu alter stuff I left out of a previous patch. (This time for sure!)

#242388: (partially by John Morahan) Create a new display type whose sole purpose is to attach to another display on the view, thus allowing views within views. Like magical querying burritos.