Changes since last version
--------------------------
* 95ae77e: Avoid redefining builtins
* 4052f6d: Disable no-self-use pylint warning for test classes
* 1cc941a: discard watch event if Model instance can't be created
* c358388: Verify current behavior for events in watch_list
* b48b49f: Disable no-self-use linting for test class
* 3d00f69: Make stringData field of secret work
* 244bc5d: Update helpers to support newer versions of python