Fixed a bug in Job#create_or_update
(cherry picked from commit 81abc9b96683f3500e5f7e1743ae82c83cb18281)
Correct typo in test

Typo in local variable for test.(cherry picked from commit 0622dfee99c47ac40cffd9e667faf05f43285643)
bump version to 0.14.1
Prepared changelog for 0.14.1
Update CONTRIBUTORS.md
Merge branch 'release_0.14'

Conflicts:
	CONTRIBUTORS.md