Pushed version due to a small bug

Author: halirutan

resources/META-INF/plugin.xml

@@ -23,7 +23,7 @@
   <id>de.halirutan.mathematica</id>
   <name>Mathematica Support</name>
   <category>Custom Language</category>
-  <version>2.1</version>
+  <version>2.1.1</version>
   <idea-version since-build="163"/>
   <vendor email="patrick@halirutan.de" url="http://mathematicaplugin.halirutan.de">Patrick Scheibe</vendor>
   <depends>com.intellij.modules.lang</depends>

src/de/halirutan/mathematica/codeinsight/folding/MathematicaExpressionFoldingBuilder.java

@@ -195,6 +195,7 @@ private void collectCommentRegion(@NotNull ASTNode node,
     final int currentLine = document.getLineNumber(comment.getTextOffset());
     int endOffset = document.getTextLength();
 
+    // Check if we have a valid section description in the next line
     if (currentLine < document.getLineCount() - 1) {
       final PsiComment nextLineComment = PsiTreeUtil.findElementOfClassAtRange(
           file,