Implemented pipe extension in the search API.

Change-Id: If2a486185a7d16a27b7b46d35d85b7d5f27b66cd
diff --git a/core/pom.xml b/core/pom.xml
index 7bef3cd..be3b949 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Kustvakt-core</artifactId>
-	<version>0.62.2</version>
+	<version>0.62.3</version>
 
 	<properties>
 		<java.version>1.8</java.version>
@@ -210,7 +210,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>1.7.25</version>
+			<version>1.7.29</version>
 		</dependency>
 		
 		<!-- Java Assist -->