Fixed errors for 2019
**Full Changelog**: https://github.com/haiiliin/pyabaqus/compare/2019...2019.1
2019
Restore V2019 from V2020
**Full Changelog**: https://github.com/haiiliin/pyabaqus/compare/2020...2019
2018
Restore V2018 from V2019
**Full Changelog**: https://github.com/haiiliin/pyabaqus/compare/2019.1...2018
2017
Restore V2017 from V2018
**Full Changelog**: https://github.com/haiiliin/pyabaqus/compare/2018...2017
2016
Restore V2016 from V2017
**Full Changelog**: https://github.com/haiiliin/pyabaqus/compare/2017...2016