v1.4.0

Conda v1.4.0

Diff since v1.3.0

Closed issues:

• fix "Using a pre-existing Conda installation" (#158)
• Scipy.interpolate (#159)
• Building packages (#160)
• miniconda error for Windows 10: ImportError: cannot import name 'CondaError' (#161)

Merged pull requests:

• Add support for Power9 and error on unsupported Sys.ARCH (#162) (@ali-ramadhan)
• add bin_dir to PATH on windows to fix DLL paths (#163) (@stevengj)
• Install TagBot as a GitHub Action (#169) (@JuliaTagBot)