Dot2tex

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Released 2019-03-31

- Ignore multiline edge labels during preprocessing (issue 27)
- Fixed parsing of DOT IDs. Numerals can now be used as node IDs.
- Fixed issue 64. Remove \ characters from drawsting.

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- Added support for the circle node shape. Thanks to Alexander Hagen for the pull request.
- Fix Popen issue on windows 10 when calling latex. The --autosize option is now working again.

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Released 2019-03-15

- Fix bug in setup.py entry_points.

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Released 2019-03-15

- Added support for Python 3! Thanks Travis Scrimshaw!
- Various bug fixes.

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Not released

- Convert input file to output file only if latter is outdated. Can be overridden by the new
--force command line option.
- Replaced deprecated opt parse with argparse.
- Python 2.7.x is now a requirement (due to the use of the argparse module)

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Not released

- Preprocessing head and tail labels now works in the ``duplicate`` mode.
- Added support for preprocessing head and tail labels (pstricks).
- Relaxed syntax for including external dot files. Comments are now allowed after ``\input{}``.
- All xdot coordinates are now parsed as float (issue 31).
- Added the svgnames option when loading xcolor in the default templates (issue 25).