Add EPSG:4979 (#332)

Author: juliohm

src/get.jl

@@ -100,6 +100,7 @@ end
 @crscodes LatLon{SIRGAS2000} EPSG{4674}
 @crscodes LatLon{RD83} EPSG{4745}
 @crscodes LatLon{PD83} EPSG{4746}
+@crscodes LatLonAlt{WGS84Latest} EPSG{4979}
 @crscodes Cartesian3D{shift(ITRF{2000}, 2000.4)} EPSG{4988}
 @crscodes LatLonAlt{shift(ITRF{2000}, 2000.4)} EPSG{4989}
 @crscodes shift(Albers{23.0°,29.5°,45.5°,NAD83}, lonₒ=-96.0°) EPSG{5070}

test/get.jl

@@ -48,6 +48,7 @@
   gettest(LatLon{SIRGAS2000}, EPSG{4674})
   gettest(LatLon{RD83}, EPSG{4745})
   gettest(LatLon{PD83}, EPSG{4746})
+  gettest(LatLonAlt{WGS84Latest}, EPSG{4979})
   gettest(Cartesian{CoordRefSystems.shift(ITRF{2000}, 2000.4),3}, EPSG{4988})
   gettest(LatLonAlt{CoordRefSystems.shift(ITRF{2000}, 2000.4)}, EPSG{4989})
   gettest(CoordRefSystems.shift(Albers{23.0°,29.5°,45.5°,NAD83}, lonₒ=-96.0°), EPSG{5070})