Merge pull request #251 from Syncano/release-v5.4.4

[Release v5.4.4]

Merge pull request #247 from Syncano/release-v5.4.3

[Release v5.4.3]

Merge pull request #241 from Syncano/release-v5.4.2

[RELEASE v5.4.2] bump version; correct package information;

Merge pull request #237 from Syncano/release-v5.4.1

[RELEASE v5.4.1]

Merge pull request #232 from Syncano/release-v5.4

[RELEASE v5.4]

Merge pull request #224 from Syncano/release-v5.3.0

Release v5.3.0

Merge pull request #219 from Syncano/release-v5.2.0

[RELEASE] v5.2.0

[RELEASE v5.1.0] next release

Release 5.0.2

[RELEASE] bump the version