Change meaning of cw in vim to act like dw

This is an inconsistency that bothers me. And getting into the habit of
using ce seems to not hurt since it is still 'backwards' compatible to
other configs.

.config/vim/vimrc

@@ -35,6 +35,13 @@ if (has('nvim'))
 endif
 " Put new window below/right of current
 set splitbelow splitright
+" What is ce there for? cw should include whitespace like dw.
+if (has('nvim'))
+	set cpoptions-=_
+else
+	nmap cw dwi
+	nmap cW dWi
+endif
 
 " Keybinds #####################################################################
 " Set leader key