Renamed Value.isValue to Value.isInstance.
Renamed Value.isValue to Value.isInstance.

jacksonic/foam,mdittmer/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,mdittmer/foam,jacksonic/foam,jlhughes/foam,foam-framework/foam,mdittmer/foam,foam-framework/foam,foam-framework/foam,foam-framework/foam,jlhughes/foam,jacksonic/foam,jlhughes/foam,jlhughes/foam