updated readit version to 0.3 in test (#134)

Author: ganeshhubale

test_readit.py

@@ -22,7 +22,7 @@ def test_by_version(runner):
     result = runner.invoke(c.main, ['-V'])
     assert not result.exception
     assert result.exit_code == 0
-    expected = "readit v0.2\n"
+    expected = "readit v0.3\n"
     assert result.output == expected