[release-v2] Added Makefile, ignore pycache

This commit prepares the release of v2 by bumping the version in 'setup.py'.
Added a Makefile to simplify the build / install / clean steps.
Now ignoring the '__pycache__' folders in the gitignore.

.gitignore

@@ -2,6 +2,7 @@
 .idea
 
 **/.cache
+**/__pycache__
 build/**
 dist/**
 XDG_Prefs.egg-info/**

Makefile

@@ -0,0 +1,10 @@
+SRC = xdgprefs requirements.txt setup.py
+
+build-wheel: $(SRC)
+	python setup.py bdist_wheel
+
+install: $(SRC)
+	python setup.py install
+
+clean:
+	rm -rf build dist XDG_Prefs.egg-info

setup.py

@@ -8,7 +8,7 @@ def read(fname):
 
 setup(
     name='XDG-Prefs',
-    version='0.1',
+    version='0.2',
 
     packages=['xdgprefs', 'xdgprefs.core', 'xdgprefs.gui'],
     install_requires=['PySide2'],