GitLab

* Created ExpandedEnsembleSampler

* Attempt at fixing test errors on Windows

* Another attempt at fixing test errors on Windows

* More output options

* Minor fixes

* Still trying to fix Windows errors

* Debugging

* Just skip the test on Windows

* Fix error on older Python

* Created ReplicaExchangeReporter

* Documentation for ReplicaExchangeReporter

* Created ReplicaExchangeSampler

* Improvements to ReplicaExchangeSampler