Merge tag '0.2.59' into develop

release/0.2.59
Check for existence of posix_* functions before use in case you have not compiled that in.
Preparation of release/0.2.60
Merge branch 'release/0.2.60'
Merge tag '0.2.60' into develop

Release v0.2.60
merge
Current work checkpoint. See diff for details.
Current work checkpoint. See diff for details.