Fill out the changelog for work since 0.10 (#1151)
Fill out the changelog for work since 0.10 (#1151)

This is a human-readable summary of all the work since 0.10. Specifically from
v0.10.0 (e13075bd6eccc0d0) to 897129945b4c1207:
https://github.com/stellargraph/stellargraph/compare/v0.10.0...897129945b

stellargraph/stellargraph,stellargraph/stellargraph