Bumped version to v0.5.1

Takishima · Takishima · commit dd8199fa03be · 2020-05-07T11:27:37.000+02:00
diff --git a/projectq/_version.py b/projectq/_version.py
@@ -13,4 +13,4 @@
 #   limitations under the License.
 
 """Define version number here and read it from setup.py automatically"""
-__version__ = "0.5.0"
+__version__ = "0.5.1"
