fix parser issue

update max hierarchy level from 10 to 20

Change-Id: Ic530b8d0d909be788c2f4af4a3c880fbd795c92c
Issue-ID: SDC-1764
Signed-off-by: Ben-kimon, Hofit (hb272c) <hb272c@att.com>
diff --git a/pom.xml b/pom.xml
index f0383b1..aa95d28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>org.onap.sdc.jtosca</groupId>
 	<artifactId>jtosca</artifactId>
-	<version>1.4.2-SNAPSHOT</version>
+	<version>1.4.3-SNAPSHOT</version>
 	<name>sdc-jtosca</name>
 	<properties>
 
diff --git a/src/main/java/org/onap/sdc/toscaparser/api/ToscaTemplate.java b/src/main/java/org/onap/sdc/toscaparser/api/ToscaTemplate.java
index f236a0a..b5ae4c4 100644
--- a/src/main/java/org/onap/sdc/toscaparser/api/ToscaTemplate.java
+++ b/src/main/java/org/onap/sdc/toscaparser/api/ToscaTemplate.java
@@ -35,6 +35,7 @@
 
 public class ToscaTemplate extends Object {
 
+	public static final int MAX_LEVELS = 20;
 	private static Logger log = LoggerFactory.getLogger(ToscaTemplate.class.getName());
 
 	// TOSCA template key names
@@ -582,7 +583,7 @@
 	// multi level nesting - RECURSIVE
 	@SuppressWarnings("unchecked")
 	private void _handleNestedToscaTemplatesWithTopology(TopologyTemplate tt) {
-		if(++nestingLoopCounter > 10) {
+		if(++nestingLoopCounter > MAX_LEVELS) {
 			log.error("ToscaTemplate - _handleNestedToscaTemplatesWithTopology - Nested Topologies Loop: too many levels, aborting");
 			return;
 		}
diff --git a/version.properties b/version.properties
index 0d94dfd..a54766f 100644
--- a/version.properties
+++ b/version.properties
@@ -5,7 +5,7 @@
 
 major=1
 minor=4
-patch=2
+patch=3
 
 base_version=${major}.${minor}.${patch}