API Minimap GetZoomLevels

This function obtains the number of possible zoom levels of the Minimap
 Minimap:GetZoomLevels()
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;Arguments
:none
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;Returns
:;zoom_levels: The number of different zoom levels that the Minimap can be set to. 
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;Example
 local maximum_zoom = Minimap:GetZoomLevels()
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;Description
: Obtains the number of differerent Minimap zoom levels.
: The values returned by Minimap:GetZoom() and used as the parameter to Minimap:SetZoom() must be between zero and one less than the number of levels.