* A number of minor fixes to popup handling
* A number of minor fixes to layer handling
* The addition of a TMS layer
* The ability to specify a number of failed attempts to load an
image before giving up.
* Encoding of URLs sent to the server.
* A number of minor improvements in the grid layer
* A number of improvements in IE behavior, especially with regard to
* A fixed version of isEquivilantURL
* Small fix to build tools
* Improvements to the OverviewMap control.
* A fix for a longstanding bug where tiles are drawn outside the
maxExtent of the map (Thanks to Bill Woodall)
* Added functionality to allow setting of multiple layers via WMS
following the specification, using array syntax for layer list.
(With information from Keith Pomakis)
* Some armoring and protection of the WMS Untiled layer and other
layers on destroy().
* A fix to panning in an odd sized viewport.