Support special verbatim strings in virtual corpus constraints, fixes #57

Change-Id: I3d874b8f4635abdfa9f5671ee82a39b2a938400d
diff --git a/pom.xml b/pom.xml
index 8540867..3e5b271 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Koral</artifactId>
-	<version>0.31</version>
+	<version>0.32</version>
 	<packaging>jar</packaging>
 	<name>Koral</name>
 	<url>http://maven.apache.org</url>