mmurfinsimmons, Updates:
Core - isstarted checks to give consumer control of when the tiling threads are started
MouseWheelZoomType.MousePositionRelative - enum and wheel scroll handling
GMapOverlay - MultiToolTips (code is rough - several flavors of display explored)
GMapOverlay, GMapMarker - visibility changes to allow for class descendant full functionality and control of markers (internal -> protected etc)