bump for release

Author: cbm755

DESCRIPTION

@@ -1,6 +1,6 @@
 Name: symbolic
-Version: 3.0.1+
-Date: 2022-08-11
+Version: 3.1.0
+Date: 2022-03-19
 Author: Colin B. Macdonald <[email protected]>
 Maintainer: Colin B. Macdonald <[email protected]>
 Title: Octave Symbolic Package using SymPy

NEWS

@@ -1,5 +1,5 @@
-octsympy 3.0.1+
-===============
+octsympy 3.1.0 (2023-03-19)
+===========================
 
   * New symbolic commands:
 

inst/sympref.m

@@ -1,4 +1,4 @@
-%% Copyright (C) 2014-2020, 2022 Colin B. Macdonald
+%% Copyright (C) 2014-2020, 2022-2023 Colin B. Macdonald
 %% Copyright (C) 2017 NVS Abhilash
 %% Copyright (C) 2017 Mike Miller
 %% Copyright (C) 2022 Alex Vong
@@ -174,7 +174,7 @@
 %% @example
 %% @group
 %% sympref version
-%%   @result{} 3.0.1+
+%%   @result{} 3.1.0
 %% @end group
 %% @end example
 %%
@@ -217,7 +217,7 @@
 
     case 'version'
       assert (nargin == 1)
-      varargout{1} = '3.0.1+';
+      varargout{1} = '3.1.0';
 
     case 'display'
       if (nargin == 1)