Adding a version to the BT API.

api/build.gradle

@@ -10,6 +10,15 @@ dependencies {
     testImplementation 'junit:junit:4.12'
 }
 
+jar {
+  manifest {
+    attributes(
+      'Implementation-Title': 'B/BAS Tokenizer',
+      'Implementation-Version': "${version} (${new Date().format('yyyy-MM-dd HH:mm')})"
+    )
+  }
+}
+
 task javadocJar(type: Jar) {
     classifier = 'javadoc'
     from javadoc

tools/bt/src/main/java/io/github/applecommander/bastokenizer/tools/bt/VersionProvider.java

@@ -1,10 +1,16 @@
 package io.github.applecommander.bastokenizer.tools.bt;
 
+import io.github.applecommander.applesingle.AppleSingle;
+import io.github.applecommander.bastokenizer.api.BasTokenizer;
 import picocli.CommandLine.IVersionProvider;
 
 /** Display version information.  Note that this is dependent on Gradle configuration. */
 public class VersionProvider implements IVersionProvider {
     public String[] getVersion() {
-    	return new String[] { Main.class.getPackage().getImplementationVersion() };
+    	return new String[] { 
+    		String.format("BT CLI: %s", Main.class.getPackage().getImplementationVersion()),
+    		String.format("BT API: %s", BasTokenizer.VERSION),
+    		String.format("AppleSingle API: %s", AppleSingle.VERSION)
+    	};
     }
 }