Update CHANGELOG.md

Author: allmightyspiff

CHANGELOG.md

@@ -4,6 +4,10 @@
  - Changes: https://github.com/softlayer/softlayer-python/compare/v5.2.7...master
 
  Resolved https://github.com/softlayer/softlayer-python/issues/835
+ Resolved https://github.com/softlayer/softlayer-python/issues/826
+ 
+#### Added to CLI
+* block access-password
 
 ## [5.2.7] - 2017-06-22
  - Changes: https://github.com/softlayer/softlayer-python/compare/v5.2.6...v5.2.7