Started implementation of http multiform

src/zutil/net/http/multipart/MultipartStringField.java

@@ -0,0 +1,24 @@
+package zutil.net.http.multipart;
+
+import java.io.InputStream;
+
+/**
+ * Created by ezivkoc on 2016-07-06.
+ */
+public class MultipartStringField implements MultipartField {
+    private String value;
+
+    @Override
+    public long getLength() {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    public String getValue() {
+        return value;
+    }
+}