Create SVG graphics output

[Axel Kramer]

Convert expressions like:

• Plot(Sin(x),{x,* -10,10})
• Show(Graphics(Line({{0,1},{0,0},{1,0},{1,1}})))
• Show(Graphics({Rectangle({1, 1})}))
• Show(Graphics({Red, Rectangle({0, 0},{1, 3}), Blue, Rectangle({2, 1},{4, 2})}))

to SVG graphics format.

[Axel Kramer]

Added 79dc706

[Axel Kramer]

Please use the Github issue tracker to open a new issue if this issue shouldn't be closed Github issues

[Axel Kramer]

Fix #173 Sech[Log[5/3]] returns 3/4. Correct answer is 15/17

→ <<cset ce2742bd4a9e>>