split functionality file across new module as was getting too long on its own. All functions remian the same, but imports will need to be updated.

tests/test_patterns.py

@@ -8,13 +8,14 @@ from multiprocessing import Pipe
 from core.correctness.vars import FILE_CREATE_EVENT, EVENT_TYPE, \
     EVENT_RULE, WATCHDOG_BASE, EVENT_TYPE_WATCHDOG, EVENT_PATH, SWEEP_START, \
     SWEEP_JUMP, SWEEP_STOP
-from core.functionality import make_dir
+from functionality.file_io import make_dir
 from patterns.file_event_pattern import FileEventPattern, WatchdogMonitor, \
     _DEFAULT_MASK
 from recipes import JupyterNotebookRecipe
 from shared import setup, teardown, BAREBONES_NOTEBOOK, TEST_MONITOR_BASE
 
 
+
 def patterns_equal(tester, pattern_one, pattern_two):
     tester.assertEqual(pattern_one.name, pattern_two.name)
     tester.assertEqual(pattern_one.recipe, pattern_two.recipe)