added appendArray function

src/main/java/strman/Strman.java

@@ -16,6 +16,10 @@ public interface Strman {
      * @return full string
      */
     static String append(final String value, final String... appends) throws IllegalArgumentException {
+        return appendArray(value, appends);
+    }
+
+    static String appendArray(String value, String[] appends) {
         if (value == null) {
             throw new IllegalArgumentException("'value' should be not null.");
         }

src/test/java/strman/StrmanTest.java

@@ -5,6 +5,7 @@ import org.junit.Test;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.junit.Assert.assertThat;
 import static strman.Strman.append;
+import static strman.Strman.appendArray;
 
 public class StrmanTest {
 
@@ -19,4 +20,19 @@ public class StrmanTest {
     public void appendShouldThrowIllegalArgumentExceptionWhenValueIsNull() throws Exception {
         append(null);
     }
+
+    @Test
+    public void shouldAppendStringArrayToEndOfValue() throws Exception {
+        assertThat(appendArray("f", new String[]{"o", "o", "b", "a", "r"}), equalTo("foobar"));
+        assertThat(appendArray("foobar", new String[]{}), equalTo("foobar"));
+        assertThat(appendArray("", new String[]{"foobar"}), equalTo("foobar"));
+    }
+
+
+    @Test(expected = IllegalArgumentException.class)
+    public void appendArrayShouldThrowIllegalArgumentExceptionWhenValueIsNull() throws Exception {
+        appendArray(null, new String[]{});
+    }
+
+
 }