prepairing for release and fixing tiny bug

Author: SimplyProgrammer

README.md

@@ -1,2 +1,2 @@
 # Java-SerialX dev
-This branch is used for testing and stuff!
+This the main development branch!

SerialX-core/pom.xml

@@ -7,7 +7,7 @@
   </parent>
 
   <groupId>org.ugp.serialx</groupId>
-  <artifactId>core</artifactId>
+  <artifactId>serialx-core</artifactId>
   <version>1.3.8</version>
 
   <name>SerialX core</name>

SerialX-devtools/pom.xml

@@ -7,7 +7,7 @@
   </parent>
 
   <groupId>org.ugp.serialx</groupId>
-  <artifactId>devtools</artifactId>
+  <artifactId>serialx-devtools</artifactId>
   <version>1.3.8</version>
 
   <name>SerialX devtools</name>
@@ -16,7 +16,7 @@
   <dependencies>
   	<dependency>
   		<groupId>org.ugp.serialx</groupId>
-  		<artifactId>core</artifactId>
+  		<artifactId>serialx-core</artifactId>
   		<version>${revision}</version>
   	</dependency>
   </dependencies>

SerialX-json/pom.xml

@@ -7,7 +7,7 @@
   </parent>
 
   <groupId>org.ugp.serialx</groupId>
-  <artifactId>json</artifactId>
+  <artifactId>serialx-json</artifactId>
   <version>1.3.8</version>
 
   <name>SerialX json</name>
@@ -16,7 +16,7 @@
   <dependencies>
   	<dependency>
   		<groupId>org.ugp.serialx</groupId>
-  		<artifactId>juss</artifactId>
+  		<artifactId>serialx-juss</artifactId>
   		<version>${revision}</version>
   	</dependency>
   </dependencies>

SerialX-json/src/main/java/org/ugp/serialx/json/converters/JsonObjectConverter.java

@@ -14,24 +14,29 @@
  * 
  * @author PETO
  * 
- * @since 1.3.5
+ * @since 1.3.5 (separated from JsonSerializer since 1.3.8)
  */
 public class JsonObjectConverter extends ObjectConverter
 {		
 	@SuppressWarnings("unchecked")
 	@Override
 	public CharSequence toString(ParserRegistry myHomeRegistry, Object arg, Object... args) 
 	{
+		if (arg == null)
+			return CONTINUE;
+
 		if (arg.getClass().isArray())
 			return super.toString(myHomeRegistry, new Scope(Utils.fromAmbiguousArray(arg)), args);
 
 		if (arg instanceof Map)
 		{
 			Map<?, ?> map = (Map<?, ?>) arg;
-			if (map.isEmpty() || map.keySet().iterator().next() instanceof CharSequence)
+			if (map.isEmpty())
+				return "{}";
+			if (map.keySet().iterator().next() instanceof CharSequence)
 				return super.toString(myHomeRegistry, new Scope((Map<String, ?>) map), args);
 		}
-		
+			
 		SerializationProtocol<Object> prot = (SerializationProtocol<Object>) getProtocolFor(arg, SerializationProtocol.MODE_SERIALIZE, args);
 		if (prot != null && !(arg instanceof Scope))
 			try

SerialX-juss/pom.xml

@@ -7,16 +7,16 @@
   </parent>
 
   <groupId>org.ugp.serialx</groupId>
-  <artifactId>juss</artifactId>
+  <artifactId>serialx-juss</artifactId>
   <version>1.3.8</version>
 
-  <name>SerialX-juss</name>
+  <name>SerialX juss</name>
   <description>SerialX support for Java Universal Serial Script data format, custom default format of SerialX!</description>
 
   <dependencies>
   	<dependency>
   		<groupId>org.ugp.serialx</groupId>
-  		<artifactId>core</artifactId>
+  		<artifactId>serialx-core</artifactId>
   		<version>${revision}</version>
   	</dependency>
   </dependencies>

SerialX-operators/pom.xml

@@ -7,7 +7,7 @@
   </parent>
 
   <groupId>org.ugp.serialx</groupId>
-  <artifactId>operators</artifactId>
+  <artifactId>serialx-operators</artifactId>
   <version>1.3.8</version>
 
   <name>SerialX operators</name>
@@ -16,7 +16,7 @@
   <dependencies>
   	<dependency>
   		<groupId>org.ugp.serialx</groupId>
-  		<artifactId>core</artifactId>
+  		<artifactId>serialx-core</artifactId>
   		<version>${revision}</version>
   	</dependency>
   </dependencies>

pom.xml

@@ -15,7 +15,7 @@
   </modules>
 
   <name>SerialX root</name>
-  <description>Store Java objects into file via SerialX. SerialX is a powerful utility library to serialize objects in Java programmatically via recursive descent parser for custom domain-specific languages!</description>
+  <description>Store Java objects into JSON or any format you want! SerialX is a powerful lightweight utility library to serialize Java objects programmatically via tweakable recursive descent parser for custom domain-specific languages!</description>
   <url>https://github.com/SimplyProgrammer/Java-SerialX</url>
   <inceptionYear>2020</inceptionYear>