Merge pull request #270 from ai4co/v0.6.0

Updates for v0.6.0 and KDD publication

[Version] 0.5.2

[Version] 0.5.1

[Version] 0.5.0

[Version] 0.4.0

Merge pull request #125 from ai4co/bugfix-deepcopy

Bugfix deepcopy

[Refactor] change `decode_type_multistart` to `multistart_decode_type` …

…#110

[Feat,BugFix] avoid shuffling train data by default; do not evaluate …

…rollout on very last epoch

[Docs] add images

[Version] 0.2.3