Merge pull request AntelopeIO#1851 from AntelopeIO/dev1_3

[2.0.0 dev1] Bump version to dev1.3

Merge pull request AntelopeIO#1833 from AntelopeIO/bump122

[1.2.2] bump version to 1.2.2

Merge pull request AntelopeIO#1827 from AntelopeIO/dev1_2

Bump version to rel2.0.0-dev1.2

Merge pull request AntelopeIO#1752 from AntelopeIO/get_sender_pf

[2.0.0-dev1.1] Introduce get_sender_fix protocol feature to enable get_sender() fix

Merge pull request AntelopeIO#1734 from AntelopeIO/rel_2.0.0_bump_v_dev1

[2.0.0-dev1] Bump Version to 2.0.0-dev1

Merge pull request AntelopeIO#1713 from AntelopeIO/bump-v1.2.1

[1.2.1] Version to v1.2.1

Merge pull request AntelopeIO#1644 from AntelopeIO/atomic_merge_from_1.1

[1.1 -> 1.2] link with libatomic to resolve clang build issue

Merge pull request AntelopeIO#1603 from AntelopeIO/bump-v1.2.0-rc3

[1.2.0-rc3] Bump version to 1.2.0-rc3

Merge pull request AntelopeIO#1521 from AntelopeIO/120rc2

[1.2.0-rc2] bump version to 1.2.0-rc2

Merge pull request AntelopeIO#1463 from AntelopeIO/bump-v1.1.5

[1.1.5] Version bump to v1.1.5