diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000..0d1917c4e4
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,7 @@
+# Contributing to Evennia
+
+Evennia utilizes GitHub for issue tracking and contributions:
+
+  - Reporting Issues issues/bugs and making feature requests can be done [in the issue tracker](https://github.com/evennia/evennia/issues).
+  - Evennia's documentation is a [wiki](https://github.com/evennia/evennia/wiki) that everyone can contribute to. Further
+    instructions and details about contributing is found [here](https://github.com/evennia/evennia/wiki/Contributing).
diff --git a/evennia/server/portal/irc.py b/evennia/server/portal/irc.py
index d74fbaa86e..2b616f2ce1 100644
--- a/evennia/server/portal/irc.py
+++ b/evennia/server/portal/irc.py
@@ -421,7 +421,7 @@ class IRCBotFactory(protocol.ReconnectingClientFactory):
 
     def clientConnectionLost(self, connector, reason):
         """
-        Called when Client looses connection.
+        Called when Client loses connection.
 
         Args:
             connector (Connection): Represents the connection.
diff --git a/evennia/settings_default.py b/evennia/settings_default.py
index 09a8371cd9..1b761c1bdf 100644
--- a/evennia/settings_default.py
+++ b/evennia/settings_default.py
@@ -139,7 +139,7 @@ HTTP_LOG_FILE = os.path.join(LOG_DIR, 'http_requests.log')
 LOCKWARNING_LOG_FILE = os.path.join(LOG_DIR, 'lockwarnings.log')
 # Rotate log files when server and/or portal stops. This will keep log
 # file sizes down. Turn off to get ever growing log files and never
-# loose log info.
+# lose log info.
 CYCLE_LOGFILES = True
 # Number of lines to append to rotating channel logs when they rotate
 CHANNEL_LOG_NUM_TAIL_LINES = 20
diff --git a/evennia/utils/create.py b/evennia/utils/create.py
index 36db7e5a60..ae7e867f27 100644
--- a/evennia/utils/create.py
+++ b/evennia/utils/create.py
@@ -229,6 +229,12 @@ def create_script(typeclass=None, key=None, obj=None, account=None, locks=None,
     # at_first_save hook on the typeclass, where the _createdict
     # can be used.
     new_script.save()
+
+    if not new_script.id:
+        # this happens in the case of having a repeating script with `repeats=1` and
+        # `start_delay=False` - the script will run once and immediately stop before save is over.
+        return None
+
     return new_script
 
 
diff --git a/evennia/utils/idmapper/models.py b/evennia/utils/idmapper/models.py
index fcda53cdfd..54b0ac33d2 100644
--- a/evennia/utils/idmapper/models.py
+++ b/evennia/utils/idmapper/models.py
@@ -397,6 +397,11 @@ class SharedMemoryModel(with_metaclass(SharedMemoryModelBase, Model)):
                 super(SharedMemoryModel, cls).save(*args, **kwargs)
             callFromThread(_save_callback, self, *args, **kwargs)
 
+        if not self.pk:
+            # this can happen if some of the startup methods immediately
+            # delete the object (an example are Scripts that start and die immediately)
+            return
+
         # update field-update hooks and eventual OOB watchers
         new = False
         if "update_fields" in kwargs and kwargs["update_fields"]:
@@ -421,6 +426,7 @@ class SharedMemoryModel(with_metaclass(SharedMemoryModelBase, Model)):
 #            fieldtracker = "_oob_at_%s_postsave" % fieldname
 #            if hasattr(self, fieldtracker):
 #                _GA(self, fieldtracker)(fieldname)
+        pass
 
 
 class WeakSharedMemoryModelBase(SharedMemoryModelBase):
diff --git a/evennia/utils/tests/test_create_functions.py b/evennia/utils/tests/test_create_functions.py
new file mode 100644
index 0000000000..2d5b1eeaf0
--- /dev/null
+++ b/evennia/utils/tests/test_create_functions.py
@@ -0,0 +1,79 @@
+"""
+Tests of create functions
+
+"""
+
+from evennia.utils.test_resources import EvenniaTest
+from evennia.scripts.scripts import DefaultScript
+from evennia.utils import create
+
+
+class TestCreateScript(EvenniaTest):
+
+    def test_create_script(self):
+        class TestScriptA(DefaultScript):
+            def at_script_creation(self):
+                self.key = 'test_script'
+                self.interval = 10
+                self.persistent = False
+
+        script = create.create_script(TestScriptA, key='test_script')
+        assert script is not None
+        assert script.interval == 10
+        assert script.key == 'test_script'
+        script.stop()
+
+    def test_create_script_w_repeats_equal_1(self):
+        class TestScriptB(DefaultScript):
+            def at_script_creation(self):
+                self.key = 'test_script'
+                self.interval = 10
+                self.repeats = 1
+                self.persistent = False
+
+        # script is already stopped (interval=1, start_delay=False)
+        script = create.create_script(TestScriptB, key='test_script')
+        assert script is None
+
+    def test_create_script_w_repeats_equal_1_persisted(self):
+        class TestScriptB1(DefaultScript):
+            def at_script_creation(self):
+                self.key = 'test_script'
+                self.interval = 10
+                self.repeats = 1
+                self.persistent = True
+
+        # script is already stopped (interval=1, start_delay=False)
+        script = create.create_script(TestScriptB1, key='test_script')
+        assert script is None
+
+    def test_create_script_w_repeats_equal_2(self):
+        class TestScriptC(DefaultScript):
+            def at_script_creation(self):
+                self.key = 'test_script'
+                self.interval = 10
+                self.repeats = 2
+                self.persistent = False
+
+        script = create.create_script(TestScriptC, key='test_script')
+        assert script is not None
+        assert script.interval == 10
+        assert script.repeats == 2
+        assert script.key == 'test_script'
+        script.stop()
+
+    def test_create_script_w_repeats_equal_1_and_delayed(self):
+        class TestScriptD(DefaultScript):
+            def at_script_creation(self):
+                self.key = 'test_script'
+                self.interval = 10
+                self.start_delay = True
+                self.repeats = 1
+                self.persistent = False
+
+        script = create.create_script(TestScriptD, key='test_script')
+        assert script is not None
+        assert script.interval == 10
+        assert script.repeats == 1
+        assert script.key == 'test_script'
+        script.stop()