Merge pull request #99 from leonardt/patch-1

Use context manager to avoid ResourceWarning

Author: shtaxxx

pyverilog/__init__.py

@@ -3,4 +3,5 @@
 
 import os
 
-__version__ = open(os.path.join(os.path.dirname(__file__), "VERSION")).read().splitlines()[0]
+with open(os.path.join(os.path.dirname(__file__), "VERSION")) as f:
+    __version__ = f.read().splitlines()[0]