NeuralEnsemble/libNeuroML: v0.4.1

What's Changed To v0.4.0 using NeuroML schema for v2.3 by @pgleeson in https://github.com/NeuralEnsemble/libNeuroML/pull/124 Feat/sync schema neuroml 189 by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/128 Feat/add info improvements by @pgleeson in https://github.com/NeuralEnsemble/libNeuroML/pull/129 Feat/sync no neurolexid in basewithoutid by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/130 Feat/add info improvements by @pgleeson in https://github.com/NeuralEnsemble/libNeuroML/pull/131 Feat/add info improvements by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/127 To v0.4.1 by @pgleeson in https://github.com/NeuralEnsemble/libNeuroML/pull/132 Fix/handle classes without docstring by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/133 Make info return list/dict if required, move common functions to generatedssupersuper by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/135 Fix/info get all members by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/136 Fix/137 mutable default args by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/138 Feat: Add a validate() method to each component type class definition by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/140 Feat: get information on possible parents by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/143 Migrates the component_factory etc. utilities to libNeuroML by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/144 Feat/migrate cell builder by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/145 Add add_unbranched_segments to Cell by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/148 Feat/doc tweaks by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/149 Feat/improve nml constructors: adds type hints to constructors to help users by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/147 Feat/add sectionise method by @sanjayankur31 in https://github.com/NeuralEnsemble/libNeuroML/pull/150 Full Changelog: https://github.com/NeuralEnsemble/libNeuroML/compare/v0.4.0...v0.4.