Update version number for the 4.3.7 release.

Readme.md

-# STACK 4.3.6 [![Build Status](https://api.travis-ci.org/maths/moodle-qtype_stack.svg?branch=master)](https://travis-ci.org/github/maths/moodle-qtype_stack/)
+# STACK 4.3.7 [![Build Status](https://api.travis-ci.org/maths/moodle-qtype_stack.svg?branch=master)](https://travis-ci.org/github/maths/moodle-qtype_stack/)
 
 STACK is an assessment system for mathematics, science and related disciplines.  STACK is a question type for the Moodle learning management system, and also the ILIAS learning management system.
 
@@ -8,7 +8,7 @@ STACK is based on continuing research and use at the University of Edinburgh, th
 
 ## Current state of development
 
-STACK 4.3 contains some important re-engineering of core components.  This will enable significant new features in future releases.  STACK 4.3.6 mostly contains minor bug fixes.
+STACK 4.3 contains some important re-engineering of core components.  This will enable significant new features in future releases.  STACK 4.3.7 mostly contains minor bug fixes.
 
 Please continue to report any bugs you find at https://github.com/maths/moodle-qtype_stack/issues.
 

doc/en/Developer/Development_history.md

@@ -2,6 +2,12 @@
 
 For current and future plans, see [Development track](Development_track.md) and [Future plans](Future_plans.md).
 
+## Version 4.3.7
+
+Released October 2020.
+
+Bug fixes and minor improvements.
+
 ## Version 4.3.6
 
 Released October 2020.

stack/maxima/stackmaxima.mac

@@ -3200,4 +3200,4 @@ load(linearalgebra);
 
 /* Stack expects some output with the version number the output happens at */
 /* maximalocal.mac after additional library loading */
-stackmaximaversion:2020100400$
+stackmaximaversion:2020101501$

version.php

@@ -24,12 +24,12 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2020100900;
+$plugin->version   = 2020101501;
 $plugin->requires  = 2018051700;
 $plugin->cron      = 0;
 $plugin->component = 'qtype_stack';
 $plugin->maturity  = MATURITY_STABLE;
-$plugin->release   = '4.3.6 for Moodle 3.5+';
+$plugin->release   = '4.3.7 for Moodle 3.5+';
 
 $plugin->dependencies = array(
     'qbehaviour_adaptivemultipart'     => 2018080600,