Can't create a copy of a watch
**Describe the bug**
500 error when creating a copy of an existing watch

**Version**
*Exact version* in the top right area: `v0.43`

**To Reproduce**

Steps to reproduce the behavior:
1. Navigate to a watch. Click Edit
2. Click create copy <img width="767" alt="image" src="https://github.com/dgtlmoon/changedetection.io/assets/1100550/c65b9c75-b645-40a9-b652-fa631abe8e89">
3. 500 error <img width="767" alt="image" src="https://github.com/dgtlmoon/changedetection.io/assets/1100550/55160428-7b39-4b43-8f8b-9a4ac7ed2873">

https://changedetection.io/share/2B5vFqUwEtMa

**Desktop (please complete the following information):**
 - OS: macOS
 - Chrome

diff --git a/changedetectionio/api/api_v1.py b/changedetectionio/api/api_v1.py
index 07e4022..e0c7125 100644
--- a/changedetectionio/api/api_v1.py
+++ b/changedetectionio/api/api_v1.py
@@ -219,13 +219,15 @@ class CreateWatch(Resource):
 
         extras = copy.deepcopy(json_data)
 
-        # Because we renamed 'tag' to 'tags' but dont want to change the API (can do this in v2 of the API)
+        # Because we renamed 'tag' to 'tags' but don't want to change the API (can do this in v2 of the API)
+        tags = None
         if extras.get('tag'):
-            extras['tags'] = extras.get('tag')
+            tags = extras.get('tag')
+            del extras['tag']
 
         del extras['url']
 
-        new_uuid = self.datastore.add_watch(url=url, extras=extras)
+        new_uuid = self.datastore.add_watch(url=url, extras=extras, tag=tags)
         if new_uuid:
             self.update_q.put(queuedWatchMetaData.PrioritizedItem(priority=1, item={'uuid': new_uuid, 'skip_when_checksum_same': True}))
             return {'uuid': new_uuid}, 201
diff --git a/changedetectionio/blueprint/tags/__init__.py b/changedetectionio/blueprint/tags/__init__.py
index 3e1c732..0ab3d47 100644
--- a/changedetectionio/blueprint/tags/__init__.py
+++ b/changedetectionio/blueprint/tags/__init__.py
@@ -76,6 +76,16 @@ def construct_blueprint(datastore: ChangeDetectionStore):
         flash(f"Tag unlinked removed from {unlinked} watches")
         return redirect(url_for('tags.tags_overview_page'))
 
+    @tags_blueprint.route("/delete_all", methods=['GET'])
+    @login_optionally_required
+    def delete_all():
+        for watch_uuid, watch in datastore.data['watching'].items():
+            watch['tags'] = []
+        datastore.data['settings']['application']['tags'] = {}
+
+        flash(f"All tags deleted")
+        return redirect(url_for('tags.tags_overview_page'))
+
     @tags_blueprint.route("/edit/<string:uuid>", methods=['GET'])
     @login_optionally_required
     def form_tag_edit(uuid):
diff --git a/changedetectionio/importer.py b/changedetectionio/importer.py
index a420ea1..f046c89 100644
--- a/changedetectionio/importer.py
+++ b/changedetectionio/importer.py
@@ -85,7 +85,8 @@ class import_distill_io_json(Importer):
         now = time.time()
         self.new_uuids=[]
 
-
+        # @todo Use JSONSchema like in the API to validate here.
+        
         try:
             data = json.loads(data.strip())
         except json.decoder.JSONDecodeError:
@@ -120,11 +121,8 @@ class import_distill_io_json(Importer):
                 except IndexError:
                     pass
 
-# Does this need to be here anymore?
-                if d.get('tags', False):
-                    extras['tags'] = ", ".join(d['tags'])
-
                 new_uuid = datastore.add_watch(url=d['uri'].strip(),
+                                               tag=",".join(d.get('tags', [])),
                                                extras=extras,
                                                write_to_disk_now=False)
 
diff --git a/changedetectionio/store.py b/changedetectionio/store.py
index d7d66b4..f0fb3a7 100644
--- a/changedetectionio/store.py
+++ b/changedetectionio/store.py
@@ -205,10 +205,9 @@ class ChangeDetectionStore:
 
     # Clone a watch by UUID
     def clone(self, uuid):
-        url = self.data['watching'][uuid]['url']
-        tag = self.data['watching'][uuid].get('tags',[])
+        url = self.data['watching'][uuid].get('url')
         extras = self.data['watching'][uuid]
-        new_uuid = self.add_watch(url=url, tag_uuids=tag, extras=extras)
+        new_uuid = self.add_watch(url=url, extras=extras)
         return new_uuid
 
     def url_exists(self, url):
@@ -248,12 +247,9 @@ class ChangeDetectionStore:
         if extras is None:
             extras = {}
 
-        # should always be str
-        if tag is None or not tag:
-            tag = ''
-
         # Incase these are copied across, assume it's a reference and deepcopy()
         apply_extras = deepcopy(extras)
+        apply_extras['tags'] = [] if not apply_extras.get('tags') else apply_extras.get('tags')
 
         # Was it a share link? try to fetch the data
         if (url.startswith("https://changedetection.io/share/")):
@@ -303,20 +299,22 @@ class ChangeDetectionStore:
             flash('Watch protocol is not permitted by SAFE_PROTOCOL_REGEX', 'error')
             return None
 
-
-        # #Re 569
-        # Could be in 'tags',  var or extras, smash them together and strip
-        apply_extras['tags'] = []
-        if tag or extras.get('tags'):
-            tags = list(filter(None, list(set().union(tag.split(','), extras.get('tags', '').split(',')))))
-            for t in list(map(str.strip, tags)):
+        if tag and type(tag) == str:
+            # Then it's probably a string of the actual tag by name, split and add it
+            for t in tag.split(','):
                 # for each stripped tag, add tag as UUID
-                apply_extras['tags'].append(self.add_tag(t))
+                for a_t in t.split(','):
+                    tag_uuid = self.add_tag(a_t)
+                    apply_extras['tags'].append(tag_uuid)
 
         # Or if UUIDs given directly
         if tag_uuids:
             apply_extras['tags'] = list(set(apply_extras['tags'] + tag_uuids))
 
+        # Make any uuids unique
+        if apply_extras.get('tags'):
+            apply_extras['tags'] = list(set(apply_extras.get('tags')))
+
         new_watch = Watch.model(datastore_path=self.datastore_path, url=url)
 
         new_uuid = new_watch.get('uuid')
diff --git a/changedetectionio/tests/test_api.py b/changedetectionio/tests/test_api.py
index c19812a..2305145 100644
--- a/changedetectionio/tests/test_api.py
+++ b/changedetectionio/tests/test_api.py
@@ -267,7 +267,7 @@ def test_api_watch_PUT_update(client, live_server):
 
     #live_server_setup(live_server)
     api_key = extract_api_key_from_UI(client)
-    time.sleep(1)
+
     # Create a watch
     set_original_response()
     test_url = url_for('test_endpoint', _external=True,
@@ -283,7 +283,6 @@ def test_api_watch_PUT_update(client, live_server):
 
     assert res.status_code == 201
 
-    time.sleep(1)
 
     # Get a listing, it will be the first one
     res = client.get(
diff --git a/changedetectionio/tests/test_group.py b/changedetectionio/tests/test_group.py
index 1518356..2bac971 100644
--- a/changedetectionio/tests/test_group.py
+++ b/changedetectionio/tests/test_group.py
@@ -2,7 +2,7 @@
 
 import time
 from flask import url_for
-from .util import live_server_setup, wait_for_all_checks, extract_rss_token_from_UI, get_UUID_for_tag_name
+from .util import live_server_setup, wait_for_all_checks, extract_rss_token_from_UI, get_UUID_for_tag_name, extract_UUID_from_client
 import os
 
 
@@ -154,6 +154,10 @@ def test_tag_add_in_ui(client, live_server):
     )
     assert b"Tag added" in res.data
     assert b"new-test-tag" in res.data
+
+    res = client.get(url_for("tags.delete_all"), follow_redirects=True)
+    assert b'All tags deleted' in res.data
+
     res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
 
@@ -219,12 +223,10 @@ def test_group_tag_notification(client, live_server):
     assert "test-tag" in notification_submission
     assert "other-tag" in notification_submission
 
-    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
-    assert b'Deleted' in res.data
-
     #@todo Test that multiple notifications fired
     #@todo Test that each of multiple notifications with different settings
-
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
 
 def test_limit_tag_ui(client, live_server):
     #live_server_setup(live_server)
@@ -260,3 +262,61 @@ def test_limit_tag_ui(client, live_server):
     assert b'test-tag' in res.data
     assert res.data.count(b'processor-text_json_diff') == 20
     assert b"object at" not in res.data
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+    res = client.get(url_for("tags.delete_all"), follow_redirects=True)
+    assert b'All tags deleted' in res.data
+def test_clone_tag_on_import(client, live_server):
+    #live_server_setup(live_server)
+    test_url = url_for('test_endpoint', _external=True)
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url + " test-tag, another-tag\\r\\n"},
+        follow_redirects=True
+    )
+
+    assert b"1 Imported" in res.data
+
+    res = client.get(url_for("index"))
+    assert b'test-tag' in res.data
+    assert b'another-tag' in res.data
+
+    watch_uuid = extract_UUID_from_client(client)
+    res = client.get(url_for("form_clone", uuid=watch_uuid), follow_redirects=True)
+
+    assert b'Cloned' in res.data
+    # 2 times plus the top link to tag
+    assert res.data.count(b'test-tag') == 3
+    assert res.data.count(b'another-tag') == 3
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+
+def test_clone_tag_on_quickwatchform_add(client, live_server):
+    #live_server_setup(live_server)
+
+    test_url = url_for('test_endpoint', _external=True)
+
+    res = client.post(
+        url_for("form_quick_watch_add"),
+        data={"url": test_url, "tags": ' test-tag, another-tag      '},
+        follow_redirects=True
+    )
+
+    assert b"Watch added" in res.data
+
+    res = client.get(url_for("index"))
+    assert b'test-tag' in res.data
+    assert b'another-tag' in res.data
+
+    watch_uuid = extract_UUID_from_client(client)
+    res = client.get(url_for("form_clone", uuid=watch_uuid), follow_redirects=True)
+
+    assert b'Cloned' in res.data
+    # 2 times plus the top link to tag
+    assert res.data.count(b'test-tag') == 3
+    assert res.data.count(b'another-tag') == 3
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+
+    res = client.get(url_for("tags.delete_all"), follow_redirects=True)
+    assert b'All tags deleted' in res.data
\\ No newline at end of file
diff --git a/changedetectionio/tests/test_import.py b/changedetectionio/tests/test_import.py
index 88f541b..a044ff7 100644
--- a/changedetectionio/tests/test_import.py
+++ b/changedetectionio/tests/test_import.py
@@ -112,6 +112,7 @@ def test_import_distillio(client, live_server):
     # did the tags work?
     res = client.get( url_for("index"))
 
+    # check tags
     assert b"nice stuff" in res.data
     assert b"nerd-news" in res.data
 
['changedetectionio/store.py', 'changedetectionio/tests/test_group.py', 'changedetectionio/tests/test_api.py', 'changedetectionio/tests/test_import.py', 'changedetectionio/blueprint/tags/__init__.py', 'changedetectionio/api/api_v1.py', 'changedetectionio/importer.py']