Ignore all *.egg-info/ directories (#402)

Now, even the `pypandoc_binary.egg-info/` directory is ignored.

Author: kurtmckee

.gitignore

@@ -2,7 +2,7 @@
 *.swp
 *.pyc
 dist/
-pypandoc.egg-info/
+*.egg-info/
 .tox/
 
 # Generated by the test suite