Support Common Magic Functions

[EagleoutIce]

Things like

• [ ] last_plot()
• [x] options() (#124)
• [ ] sys.frame()
• [ ] with()
• [ ] trace() / untrace()
• [ ] sink()
• [x] #931
• [x] #930
• [x] #932
• [ ] ggsave()
• [x] library() and friends (#198)

Please append whatever you want to have supported!

[EagleoutIce]

Is there anything of interest/what you potentially require @Ellpeck, @LukasPietzschmann, @SunVal?