last steps work on new docs, full complete write docstring for all objects

tests/unit_tests/test_router.py

@@ -1,6 +1,6 @@
 from argenta.router import Router
 from argenta.command import Command
-from argenta.router.exceptions import TriggerCannotContainSpacesException
+from argenta.router.exceptions import TriggerContainSpacesException
 
 import unittest
 
@@ -14,7 +14,7 @@ class TestRouter(unittest.TestCase):
 
     def test_register_command_with_spaces_in_trigger(self):
         router = Router()
-        with self.assertRaises(TriggerCannotContainSpacesException):
+        with self.assertRaises(TriggerContainSpacesException):
             @router.command(Command(trigger='command with spaces'))
             def test():
                 return 'correct result'