Fix for copied memory address within GeoArray

 io.raster.GeoArray:
 - __init__(): fix for copied memory address

ptds/io/raster/GeoArray.py

@@ -85,7 +85,7 @@ class GeoArray(object):
 
 
         if isinstance(path_or_array, GeoArray) or issubclass(getattr(path_or_array,'__class__'), GeoArray):
-            self.__dict__= path_or_array.__dict__
+            self.__dict__= path_or_array.__dict__.copy()
             self._initParams = dict([x for x in locals().items() if x[0] != "self"])
             self.geotransform = geotransform if geotransform       else self.geotransform
             self.projection   = projection   if projection         else self.projection