Added link to Weblate from translatable strings once the translator mode

is activated in the workspace settings. This required the addition of a
new lib (in source form) for a SipHash implementation.

siphash-zackehh/src/test/java/com/zackehh/siphash/SipHashCaseTest.java

@@ -0,0 +1,27 @@
+package com.zackehh.siphash;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+public class SipHashCaseTest {
+
+    @Test
+    public void ensureAllValues() throws Exception {
+        SipHashCase[] cases = SipHashCase.values();
+
+        Assert.assertEquals(cases[0], SipHashCase.UPPER);
+        Assert.assertEquals(cases[1], SipHashCase.LOWER);
+    }
+
+    @Test
+    public void ensureValueOf() throws Exception {
+        Assert.assertEquals(SipHashCase.valueOf("UPPER"), SipHashCase.UPPER);
+        Assert.assertEquals(SipHashCase.valueOf("LOWER"), SipHashCase.LOWER);
+    }
+
+    @Test(expectedExceptions = IllegalArgumentException.class)
+    public void invalidCaseValueOf() throws Exception {
+        SipHashCase.valueOf("invalid");
+    }
+
+}