Bump version to 0.4.0

Author: filip26

README.md

@@ -24,9 +24,13 @@ An implementation of the [Decentralized Identifiers (DIDs) v1.0](https://www.w3.
 <dependency>
     <groupId>com.apicatalog</groupId>
     <artifactId>carbon-did</artifactId>
-    <version>0.3.0</version>
+    <version>0.4.0</version>
+</dependency>
+<dependency>
+    <groupId>com.apicatalog</groupId>
+    <artifactId>copper-multibase</artifactId>
+    <version>0.5.0</version>
 </dependency>
-
 ```
 
 #### Gradle 
@@ -35,7 +39,8 @@ Android 12+ (API Level >=32)
 
 
 ```gradle
-implementation("com.apicatalog:carbon-did:0.3.0")
+implementation("com.apicatalog:carbon-did:0.4.0")
+implementation("com.apicatalog:copper-multibase:0.5.0")
 ```
 
 Do you need to support an older Android version? [Contact me](mailto:filip26@gmail.com)

pom.xml

@@ -7,7 +7,7 @@
 	<groupId>com.apicatalog</groupId>
 	<artifactId>carbon-did</artifactId>
 
-	<version>0.4.0-SNAPSHOT</version>
+	<version>0.4.0</version>
 	<packaging>jar</packaging>
 
 	<url>https://github.com/filip26/carbon-decentralized-identifiers</url>