v0.9.4

PythonCall v0.9.4

Diff since v0.9.3

Closed issues:

• Bug when 1.6-DEV installed (#174)
• sys.so not found if julia is a soft link (#196)
• Can not use pip package although conda status correct (#198)

Merged pull requests:

• Sync docs (#195) (@PallHaraldsson)
• Update index.md (#199) (@pitmonticone)