Julia 0.7 Support

[tawheeler]

The alpha version of Julia 0.7 is ready for download. Julia 1.0 is going to be Julia 0.7 with the deprecations removed. Would love to see support for this in pythontex.

Need to change pythontex_engines.py:

• Line 953 to: mutable struct JuliaTeXUtils
• Line 986 and 987 to use: = AbstractString[]
• Line 1098 to: write(stderr, "{stderrdelim}\\n")

[nathancarter]

This was really helpful to be able to temporarily patch my own pythontex_engines.py to work with Julia 0.7. Thanks, @tawheeler.

For others who want this feature now, the file in question is at /usr/local/texlive/2018/texmf-dist/scripts/pythontex/pythontex_engines.py (at least for me).

[gpoore]

@tawheeler Thanks for this! Sorry for the delay. The new version will go on CTAN in the next couple of days.