Set version to v3.0.0 final

hardbyte · hardbyte · commit 940d3324c2eb · 2018-10-01T07:56:45.000+10:00
diff --git a/can/__init__.py b/can/__init__.py
@@ -9,7 +9,7 @@
 
 import logging
 
-__version__ = "3.0.0-dev"
+__version__ = "3.0.0"
 
 log = logging.getLogger('can')
 
