added tagging back

.bumpversion.cfg

 [bumpversion]
 current_version = 2.0.0
 commit = True
-tag = False
+tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+)\.(?P<build>\d+))?
 serialize = 
 	{major}.{minor}.{patch}-{release}.{build}