What's Changed
* Improve error messaging in fast/slow split joezuntz in https://github.com/joezuntz/cosmosis/pull/106
* Add an option to submit jobs with the campaign system by joezuntz in https://github.com/joezuntz/cosmosis/pull/105
* Defer expanding environment variables in parent campaign runs so children can override by joezuntz in https://github.com/joezuntz/cosmosis/pull/116
* Check for duplicate YAML keys by joezuntz in https://github.com/joezuntz/cosmosis/pull/117
* Fixing actions problem with missing gfortran by joezuntz in https://github.com/joezuntz/cosmosis/pull/121
* Fix issues with loading campaigns from multiple files by joezuntz in https://github.com/joezuntz/cosmosis/pull/125
**Full Changelog**: https://github.com/joezuntz/cosmosis/compare/v3.5.1...v3.6