SNOW-77603: Bumping version to 1.8.0

Author: smtakeda

DESCRIPTION.rst

@@ -9,6 +9,14 @@ Source code is also available at: https://github.com/snowflakedb/snowflake-conne
 Release Notes
 -------------------------------------------------------------------------------
 
+- v1.8.0 (May 10, 2019)
+
+    - support numpy.bool_ in binding type
+    - Add Option to Skip Request Pooling
+    - Add OCSP_MODE metric
+    - Fixed PUT URI issue for Windows path
+    - OCSP SoftFail 
+
 - v1.7.11 (April 22, 2019)
 
     - numpy timestamp with timezone support

version.py

@@ -1,3 +1,3 @@
 # Update this for the versions
 # Don't change the forth version number from None
-VERSION = (1, 7, 11, None)
+VERSION = (1, 8, 0, None)