version 1.2.1

Author: overcat

CHANGELOG.md

@@ -1,6 +1,10 @@
 Release History
 ===============
 
+### Version 1.2.1
+Released on June 9, 2019
+  - fix(Operation.ChangeTrust): An exception should be thrown when the limit is set to 0(int). ([#206](https://github.com/StellarCN/py-stellar-base/pull/206))
+
 ### Version 1.2.0
 Released on May 6, 2019
   - Adapt to Protocol v11. [ManageBuyOffer](https://github.com/StellarCN/py-stellar-base/blob/279aec10663a32662f8fe48c5d20a752f13f5946/stellar_base/operation.py#L741), 

stellar_base/version.py

@@ -1 +1 @@
-__version__ = "1.2.0"
+__version__ = "1.2.1"