Added some methods to Gridgen for returning a cells vertices and center point.  Using a dictionary now, but may need to rethink that for performance issues.
Added some methods to Gridgen for returning a cells vertices and center point.  Using a dictionary now, but may need to rethink that for performance issues.

jentjr/flopy,aleaf/flopy,bdestombe/flopy-1,aleaf/flopy,jentjr/flopy,mrustl/flopy,brclark-usgs/flopy,brclark-usgs/flopy