What's Changed
* Changes for NeuroML v2.3.1 release by pgleeson in https://github.com/NeuroML/pyNeuroML/pull/418
* Refactor LEMSSimulation to remove the need of an explicit dict (just use `vars(self)` instead by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/427
* Fixes for validating - should be possible to validate xml files as nml too... by pgleeson in https://github.com/NeuroML/pyNeuroML/pull/429
* Added segment picking from faces by lej0hn in https://github.com/NeuroML/pyNeuroML/pull/428
* Feat: util to create + include new components in NeuroMLDocuments by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/430
* Time series plotting tweaks by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/431
* Fix pynml archive by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/434
* wip: improve `pynml-summary` by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/437
* Fix file compatibility check by sanjayankur31 in https://github.com/NeuroML/pyNeuroML/pull/436
**Full Changelog**: https://github.com/NeuroML/pyNeuroML/compare/v1.3.12...v1.3.13