Merge pull request #6788 from IQSS/develop

v4.20

Merge pull request #6552 from IQSS/develop

Merge v4.19 into master

Merge pull request #6390 from IQSS/develop

KC_Merge_4_18_1

Merge pull request #6369 from IQSS/develop

v4.18

Merge pull request #6254 from IQSS/develop

v4.17

Merge pull request #6129 from IQSS/develop

v4.16

Merge pull request #6010 from IQSS/develop

v4.15.1

Merge pull request #5950 from IQSS/develop

Update version to v4.15 for real this time.

Merge pull request #5832 from IQSS/develop

v4.14

Merge pull request #5773 from IQSS/develop

v4.13 fixed