Update CHANGELOG for version 1.8.44

Updated changelog for version 1.8.44 with new node versions and rebuilt Python.

Merge pull request #869 from cloudfoundry/tnikolova82-patch-1

Update CHANGELOG for node version changes

Merge pull request #863 from cloudfoundry/adoptswitchblade094

adopt switchblade 0.9.4

Bump version to 1.8.40

Bump version from 1.8.39 to 1.8.40

Bumps to 1.8.39

Bumps to 1.8.38

Bumps to 1.8.37

Bumps to 1.8.36

Bumps to 1.8.35

Bump version to 1.8.34