pyicon plots now return axes and other plot data when accessed using the...

pyicon plots now return axes and other plot data when accessed using the pyicon xarray accessor. This behaviour is more consistent with xarray's plotting functions and the pyicon plotting functions

pyicon/pyicon_accessor.py

@@ -16,15 +16,16 @@ class pyiconDataArray:
           self._gname = pyic.identify_grid(self.path_grid, self._obj)
         return self._gname
   
+  
     def plot(self, **kwargs):
         da = self._obj
-        pyic.plot(da, **kwargs)
-        return 
+        hm = pyic.plot(da, **kwargs)
+        return hm
 
     def plot_sec(self, **kwargs):
         da = self._obj
-        pyic.plot_sec(da, **kwargs)
-        return 
+        hm = pyic.plot_sec(da, **kwargs)
+        return hm
 
     def interp(self, **kwargs):
         da = self._obj