Add the Grid.remove() method, deprecate hide_column() etc.

this is more clear, and aligns with how Form works

tailbone/grids/core.py

@@ -27,9 +27,10 @@ Core Grid Classes
 from __future__ import unicode_literals, absolute_import
 
 import datetime
-from six.moves import urllib
+import warnings
 
 import six
+from six.moves import urllib
 import sqlalchemy as sa
 from sqlalchemy import orm
 
@@ -161,25 +162,32 @@ class Grid(object):
         mapper = orm.class_mapper(self.model_class)
         return [prop.key for prop in mapper.iterate_properties]
 
+    def remove(self, *keys):
+        """
+        This *removes* some column(s) from the grid, altogether.
+        """
+        for key in keys:
+            if key in self.columns:
+                self.columns.remove(key)
+
     def hide_column(self, key):
         """
         This *removes* a column from the grid, altogether.
 
-        This method should really be renamed to ``remove_column()``
-        instead.
+        This method is deprecated; use :meth:`remove()` instead.
         """
-        if key in self.columns:
-            self.columns.remove(key)
+        warnings.warn("Grid.hide_column() is deprecated; please use "
+                      "Grid.remove() instead.",
+                      DeprecationWarning)
+        self.remove(key)
 
     def hide_columns(self, *keys):
         """
         This *removes* columns from the grid, altogether.
 
-        This method should really be renamed to ``remove_columns()``
-        instead.
+        This method is deprecated; use :meth:`remove()` instead.
         """
-        for key in keys:
-            self.hide_column(key)
+        self.remove(*keys)
 
     def set_invisible(self, key, invisible=True):
         """