Maintenance release, added spotbugs maven plugin

Author: JohannesJander

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>io.frictionlessdata</groupId>
     <artifactId>tableschema-java</artifactId>
-    <version>0.8.2-SNAPSHOT</version>
+    <version>0.8.3-SNAPSHOT</version>
     <packaging>jar</packaging>
     <issueManagement>
         <url>https://github.com/frictionlessdata/tableschema-java/issues</url>

src/main/java/io/frictionlessdata/tableschema/Table.java

@@ -1,5 +1,6 @@
 package io.frictionlessdata.tableschema;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.frictionlessdata.tableschema.exception.*;
@@ -56,6 +57,7 @@ public class Table{
     private Schema schema = null;
     private CSVFormat format = TableDataSource.getDefaultCsvFormat();
 
+    @JsonIgnore
     private Charset charset = StandardCharsets.UTF_8;
 
     /**

src/main/java/io/frictionlessdata/tableschema/schema/Schema.java

@@ -57,6 +57,7 @@ public class Schema implements SchemaInterface{
     /**
      * The charset or encoding of the schema
      */
+    @JsonIgnore
     private Charset charset = StandardCharsets.UTF_8;
 
     // the schema validator