Python Linting and Code Formatting (#298)

* Create common print_diff function

* Add pylint and black

* Fix linting, move classes to utils

* Add black/pylint to github actions

* Fix linting

* Move Bin and SymInfo into their own files

* Split out format

* Tidy up workdlows and pip, add readme

* Lint tests, add tests to readme

tools/isledecomp/isledecomp/__init__.py

@@ -0,0 +1,5 @@
+from .bin import *
+from .dir import *
+from .parser import *
+from .syminfo import *
+from .utils import *