diff --git a/bread/__init__.py b/bread/__init__.py
index eaf5a60..b46dcd4 100644
--- a/bread/__init__.py
+++ b/bread/__init__.py
@@ -11,7 +11,7 @@
 from .lifecycle import *
 
 __title__ = 'bread'
-__version__ = '3.0.1'
+__version__ = '3.0.2'
 __author__ = 'Alex Rasmussen'
 __license__ = 'MIT'
 __copyright__ = 'Copyright 2015 Alex Rasmussen'
diff --git a/bread/enum.py b/bread/enum.py
index 69158d2..22bf3bb 100644
--- a/bread/enum.py
+++ b/bread/enum.py
@@ -12,7 +12,7 @@ def make_enum_field(parent, **field_options):
 
         def encode_enum(key):
             if key not in keys:
-                raise ValueError('%s is not a valid enum value' % (key))
+                raise ValueError('%s is not a valid enum value; valid values %s' % (key, keys))
 
             return old_encode_fn(keys[key])
 
@@ -24,7 +24,7 @@ def decode_enum(encoded):
                     return default
                 else:
                     raise ValueError(
-                        '%d is not a valid enum value' % (decoded_value))
+                        '%d is not a valid enum value; valid values %s' % (decoded_value, values))
 
             return values[decoded_value]
 
diff --git a/change_version.sh b/change_version.sh
index 06fbc49..82d90f8 100755
--- a/change_version.sh
+++ b/change_version.sh
@@ -6,6 +6,15 @@ if [ "$#" -ne 1 ]; then
     exit 2
 fi
 
+if [[ ${version} =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]
+then
+  echo "Version format is valid"
+else
+  echo "Version format invalid; must be of the form 'MAJOR.MINOR.PATCH'"
+  exit 1
+fi
+
+
 # Set version and build to version
 sed -i .bak -e "s/version = '.*'/version = '${version}'/g" docs/source/conf.py
 sed -i .bak -e "s/release = '.*'/release = '${version}'/g" docs/source/conf.py
@@ -19,4 +28,3 @@ find . -name "*.bak" -exec rm {} \;
 
 # Tag revision as this version in git
 git commit -a -m "Bumping version to ${git_tag}"
-git tag ${git_tag}
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 778ee9d..3f83fdb 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -48,9 +48,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.0.1'
+version = '3.0.2'
 # The full version, including alpha/beta/rc tags.
-release = '3.0.1'
+release = '3.0.2'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index c5232ea..f0172be 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 
 setup(name='bread',
-      version='3.0.1',
+      version='3.0.2',
       description='Binary format parsing made easier',
       url='https://github.com/alexras/bread',
       author='Alex Rasmussen',