bump version number

README.org

@@ -64,7 +64,7 @@ It is based on [[https://github.com/chocoteam/choco-solver][choco-solver]] which
  <dependency>
     <groupId>fr.univ-cotedazur</groupId>
     <artifactId>cryptator</artifactId>
-    <version>0.4.0-SNAPSHOT</version>
+    <version>0.4.0</version>
  </dependency>
  #+END_EXAMPLE
 

pom.xml

@@ -16,7 +16,7 @@
 	<groupId>fr.univ-cotedazur</groupId>
 	<artifactId>cryptator</artifactId>
 	<packaging>jar</packaging>
-	<version>0.4.0-SNAPSHOT</version>
+	<version>0.4.0</version>
 	<name>cryptator</name>
 	<description>Constraint-based cryptarithm solver</description>
 	<url>https://github.com/arnaud-m/cryptator</url>

src/main/java/cryptator/CryptaOperator.java

@@ -13,6 +13,9 @@
 
 import org.chocosolver.solver.expression.discrete.arithmetic.ArExpression;
 
+/**
+ * @see https://en.wikipedia.org/wiki/Relational_operator
+ */
 public enum CryptaOperator {
 	ADD("+", (a, b) -> a.add(b), (a, b) -> a.add(b)),
 	SUB("-", (a, b) -> a.subtract(b), (a, b) -> a.sub(b)), 

src/test/java/cryptator/GenerateTest.java

@@ -1,3 +1,11 @@
+/**
+ * This file is part of cryptator, https://github.com/arnaud-m/cryptator
+ *
+ * Copyright (c) 2021, Université Côte d'Azur. All rights reserved.
+ *
+ * Licensed under the BSD 3-clause license.
+ * See LICENSE file in the project root for full license information.
+ */
 package cryptator;
 
 import static org.junit.Assert.assertEquals;

src/test/java/cryptator/WordArrayTest.java

@@ -1,3 +1,11 @@
+/**
+ * This file is part of cryptator, https://github.com/arnaud-m/cryptator
+ *
+ * Copyright (c) 2021, Université Côte d'Azur. All rights reserved.
+ *
+ * Licensed under the BSD 3-clause license.
+ * See LICENSE file in the project root for full license information.
+ */
 package cryptator;
 
 import static org.junit.Assert.assertArrayEquals;