Fixed packing post migration to setup.cfg, was not finding packages correctly

Author: timsavage

odin/__version__.py

@@ -1 +1 @@
-__version__ = "1.5.0"
+__version__ = "1.5.1"

setup.cfg

@@ -33,8 +33,7 @@ classifier =
 
 [options]
 test_suite = tests
-packages =
-    odin
+packages = find:
 setup_requires =
     pytest-runner
     setuptools >=38.3
@@ -48,6 +47,11 @@ tests_require =
     pytest
     pytest-cov
 
+[options.packages.find]
+exclude =
+    tests
+    docs
+
 [options.extras_require]
 yaml =
     pyyaml