Major overhaul with cleanup and addition of type hints

.github/workflows/python-package.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools
-        python -m pip install .[test]
+        python -m pip install .[dev]
     - name: Test with pytest
       run: |
         pytest --cov=objdictgen --cov-report=xml -p no:logging --tb=no

.gitignore

@@ -8,6 +8,8 @@ htmlcov/
 .coverage
 tmp*/
 dist/
+.nox
+coverage.xml
 
 *.pyc
 *.bak