Sagetex Versions Save

update, including pdf of the manual in the release. This should be in sync with https://ctan.org/pkg/sagetex

• various bugfixes from PRs
• Use LaTeX package xcolor instead of color
• correct paths to LaTeX files installed into Sage tree

improved Python 3 support, fixed some bugs.

minor updates and PRs merged, more Python3 compliance

made version numbers uniform, many py3 fixes, etc.

This is SageTeX 3.0. Well, perhaps it should be a release candidate or beta or something, as I already have improvements that really should go in.

The most significant change is a backwards-incompatible change to sageexample and sagecommandline: before, you could use ... (three dots) for continuation lines, but now you must use ....: (four dots, colon) which matches what the Sage interpreter actually does.