Add setup.py && bugfix

setup.py

@@ -0,0 +1,14 @@
+from setuptools import setup
+
+setup(
+    name='SpotifyLinuxOpen',
+    version='0.1',
+    url='https://git.orudo.ru/trueold89/SpotifyLinuxOpen',
+    author='trueold89',
+    author_email='trueold89@orudo.ru',
+    description="A simple cli-utility that allows you to open 'open.spotify.com' in the Spotify desktop client on Linux",
+    packages=['sllo'],
+    entry_points={
+        "console_scripts": ["slopen = sllo.Main:main"]
+    }
+)

sllo/Classes.py

@@ -58,7 +58,7 @@ class Interface:
         :rtype: SpotifyLink
         """
         args = argv[2:]
-        if args != 1:
+        if len(args) != 1:
             raise ValueError("Bad usage")
         return SpotifyLink(args[0])