Bump version number and upload .msi generated by Appveyor to Github.

appveyor.yml

@@ -178,7 +178,7 @@ deploy:
   provider: GitHub
   auth_token:
     secure: d3qqX7bmrBiKJI38yFPc5vHrGGfS3LxLC7FaG6ewI2ghPPE22Pk6QtyrEFFb73PL
-  artifact:  /.*\.exe/
+  artifact:  /.*\.msi/
   draft: true
   on:
     APPVEYOR_REPO_TAG: true        # deploy on tag push only

setup.py

@@ -350,7 +350,7 @@ with open('README.rst', 'r', 'utf-8') as f:
 
 setup(
     name='yara-python',
-    version='4.2.0',
+    version='4.2.3',
     description='Python interface for YARA',
     long_description=readme,
     license='Apache 2.0',