add tests for emails (wip) and encryption, misc fixes

test/api/v3/unit/libs/encryption.test.js

@@ -0,0 +1,15 @@
+import { 
+  encrypt,
+  decrypt,
+} from '../../../../../website/src/libs/api-v3/encryption';
+
+describe('encryption', () => {
+  it('can encrypt and decrypt', () => {
+    let data = 'some secret text';
+    let encrypted = encrypt(data);
+    let decrypted = decrypt(encrypted);
+
+    expect(encrypted).not.to.equal(data);
+    expect(data).to.equal(decrypted);
+  });
+});