Issue with simplifyPaths when trying to support moduloY

[jbfaden]

I was trying to add a quick new feature, moduloY, which would insert breaks when the data crosses over the boundary, so that 0hr and 24hr are understood to be the same thing. However, the new code was thwarted by a bug in simplifyPaths, which seems to ignore the pen up. See the script

https://github.com/autoplot/dev/blob/master/rfe/2023/20231003/demoModBreaks.jy