diff --git a/pom.xml b/pom.xml
index 7538310..54a6976 100644
--- a/pom.xml
+++ b/pom.xml
@@ -238,6 +238,7 @@
 								<goals><goal>jar</goal></goals>
 								<configuration>
 									<show>public</show>
+									<failOnError>false</failOnError>
 								</configuration>
 							</execution>
 						</executions>
diff --git a/src/main/java/com/inteligr8/wildfly/maven/IndexingDependencyGraphTransformer.java b/src/main/java/com/inteligr8/wildfly/maven/IndexingDependencyGraphTransformer.java
index bdc82a8..e01b632 100644
--- a/src/main/java/com/inteligr8/wildfly/maven/IndexingDependencyGraphTransformer.java
+++ b/src/main/java/com/inteligr8/wildfly/maven/IndexingDependencyGraphTransformer.java
@@ -44,6 +44,12 @@ public class IndexingDependencyGraphTransformer implements DependencyGraphTransf
         this.dindex = dindex;
     }
     
+    /**
+     * This method is basically an intercepter for the default
+     * DependencyGraphTransformer.  It will make the call to perform the
+     * default expected functions.  But before that, it will crawl the
+     * dependencies to index them.
+     */
     @Override
     public DependencyNode transformGraph(DependencyNode node, DependencyGraphTransformationContext context) throws RepositoryException {
         this.crawl(node, new Stack<DependencyNode>());
@@ -51,6 +57,12 @@ public class IndexingDependencyGraphTransformer implements DependencyGraphTransf
         return this.transfomer.transformGraph(node, context);
     }
     
+    /**
+     * This method crawls a dependency and its dependencies, recursively.
+     * 
+     * @param node A dependency.
+     * @param ancestors A stack of ancestral artifacts; parent on top; root on bottom; empty if root.
+     */
     private void crawl(DependencyNode node, Stack<DependencyNode> ancestors) {
         this.index(node, Collections.unmodifiableList(ancestors));
         
@@ -60,6 +72,15 @@ public class IndexingDependencyGraphTransformer implements DependencyGraphTransf
         ancestors.pop();
     }
     
+    /**
+     * This method indexes a dependency.
+     * 
+     * If a dependency encountered more than once, any occurrence inside a
+     * system module will take precedence; then a non-system module.
+     * 
+     * @param node A dependency.
+     * @param parents A list of ancestral artifacts; parent is last; root is first; empty if root/self.
+     */
     public void index(DependencyNode node, List<DependencyNode> parents) {
         String nodeId = this.dindex.toId(node);
         DependencyType type = this.dindex.getType(nodeId);
@@ -71,6 +92,13 @@ public class IndexingDependencyGraphTransformer implements DependencyGraphTransf
         
         this.dindex.index(node);
         
+        if (parents == null || parents.isEmpty()) {
+            // root element; the project itself
+            // even if it is a module, we aren't going to consider it one in this context
+            this.dindex.indexType(nodeId, DependencyType.Self);
+            return;
+        }
+        
         for (DependencyNode ancestor : parents) {
             String ancestorId = this.dindex.toId(ancestor);
             type = this.dindex.getType(ancestorId);
@@ -95,13 +123,6 @@ public class IndexingDependencyGraphTransformer implements DependencyGraphTransf
             }
         }
         
-        if (parents == null || parents.isEmpty()) {
-            // root element; the project itself
-            // even if it is a module, we aren't going to consider it one in this context
-            this.dindex.indexType(nodeId, DependencyType.Self);
-            return;
-        }
-        
         ModuleArtifactExtractor extractor = new ModuleArtifactExtractor(this.dac);
         try {
             Module module = extractor.extract(node.getArtifact());
diff --git a/src/main/java/com/inteligr8/wildfly/maven/goal/AbstractGoal.java b/src/main/java/com/inteligr8/wildfly/maven/goal/AbstractGoal.java
index 067bd53..3decb26 100644
--- a/src/main/java/com/inteligr8/wildfly/maven/goal/AbstractGoal.java
+++ b/src/main/java/com/inteligr8/wildfly/maven/goal/AbstractGoal.java
@@ -109,6 +109,10 @@ public abstract class AbstractGoal extends DisablableGoal implements DependencyA
         this.executePost();
     }
 	
+	/**
+	 * This method creates a Maven RepositorySystemSession that is able to load
+	 * our DependencyIndex.
+	 */
 	private RepositorySystemSession injectSession(DependencyIndex dindex) {
         DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(this.session.getRepositorySession());
         DependencyGraphTransformer transformer = session.getDependencyGraphTransformer();