Release for v0.12.4 (#303)

* Update setup.py

* Update CHANGELOG.md

Author: samuelhwilliams

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change log
 
+### v0.12.4
+* Return greenlet task from `spawn()` ([#300](https://github.com/samuelhwilliams/Eel/pull/300))
+* Set JS mimetype to reduce errors on Windows platform ([#289](https://github.com/samuelhwilliams/Eel/pull/289))
+
 ### v0.12.3
 * Search for Chromium on macOS.
 

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name='Eel',
-    version='0.12.3',
+    version='0.12.4',
     author='Chris Knott',
     author_email='chrisknott@hotmail.co.uk',
     url='https://github.com/samuelhwilliams/Eel',