CHANGELOG.md in stellar-base-0.7.0 vs CHANGELOG.md in stellar-base-0.8.0

@@ -4,9 +4,16 @@
 file.  This project adheres to [Semantic Versioning](http://semver.org/).
 
 As this project is pre 1.0, breaking changes may happen for minor version
 bumps.  A breaking change will get clearly notified in this log.
 
+## [unreleased](https://github.com/stellar/ruby-stellar-base/compare/v0.7.0...master)
+
+### Changed
+- BREAKING CHANGE:  The default network for this library is now the stellar test network.  
+  To enable this library for the production network use `Stellar.default_network = Stellar::Networks::PUBLIC` 
+  at the head of your script or in your configuration function.
+
 ## [0.7.0](https://github.com/stellar/ruby-stellar-base/compare/v0.6.1...v0.7.0)
 
 ### Changed
 
 - Bump xdr dependency to 1.0.0