Moving on to 1.8

[atabakd]

Seems like the .lines headers have been updated to version 5, and they have introduced more details regarding the stroke information, which begs an update rM2svg. for now, I figured out at least the fields that get stroke_color and pen are either different or they have new values.

[leezu]

See also https://github.com/juruen/rmapi/issues/67