Updated nullorempty gtf command

build.gradle

@@ -19,7 +19,7 @@ plugins {
 
 allprojects {
     group = 'de.unibamberg.minf'
-    version = '3.7.3-SNAPSHOT'
+    version = '3.7.4-SNAPSHOT'
     description = 'DARIAH-DE Data Modeling Environment'
 
     ext {
@@ -43,8 +43,8 @@ repositories {
 
 ext {
     coreVersion = "5.4.1-SNAPSHOT"
-    gtfVersion = "1.6.1-SNAPSHOT"
-    processingVersion = "4.0.1-SNAPSHOT"
+    gtfVersion = "1.6.2-SNAPSHOT"
+    processingVersion = "4.0.2-SNAPSHOT"
 
     // Filled dynamically by packaging tasks
     debFile = ""