Restructured entire code base to make it easier to maintain. Closes #16

tests/test_export_mojave_10_14_6.py

@@ -1,6 +1,6 @@
 import pytest
 
-from osxphotos import _UNKNOWN_PERSON
+from osxphotos._constants import _UNKNOWN_PERSON
 
 # TODO: put some of this code into a pre-function
 
@@ -44,6 +44,7 @@ UUID_DICT = {
     "location": "3Jn73XpSQQCluzRBMWRsMA",
 }
 
+
 def test_export_1():
     # test basic export
     # get an unedited image and export it using default filename
@@ -409,5 +410,3 @@ def test_exiftool_json_sidecar():
             assert sorted(item[0][1]) == sorted(item[1][1])
         else:
             assert item[0][1] == item[1][1]
-
-    # assert sorted(json_got[0].items()) == sorted(json_expected[0].items())