_3 February 2019_
- 🐛 Fix build stalling on macOS (that was introduced in pip 19) (122)
- 🐛 Fix "AttributeError: 'Popen' object has no attribute 'args'" on Python 2.7 for Linux builds (108)
- 🛠 Update Python from 3.6.7, 3.7.1 to 3.6.8, 3.7.2 on macOS
- 🛠 Update openssl patch from 1.0.2p to 1.0.2q on macOS
- 🛠 Sorting build options dict items when printing preamble (114)