Set stable version number

Author: rhpvorderman

CHANGELOG.rst

@@ -7,7 +7,7 @@ Changelog
 .. This document is user facing. Please word the changes in such a way
 .. that users understand how the changes affect the new version.
 
-version 0.4.0-dev
+version 0.4.0
 -----------------
 + Move wheel building to cibuildwheel on github actions CI. Wheels are now
   provided for Mac OS as well.

setup.py

@@ -114,7 +114,7 @@ def build_isa_l():
 
 setup(
     name="isal",
-    version="0.4.0-alpha2",
+    version="0.4.0",
     description="Faster zlib and gzip compatible compression and "
                 "decompression by providing python bindings for the isa-l "
                 "library.",

src/isal/__init__.py

@@ -29,4 +29,4 @@
     "__version__"
 ]
 
-__version__ = "0.4.0-dev"
+__version__ = "0.4.0"