Plots

Function	Status	Description
`plot()`	✅	Plot a series
`plotchar()`	✅	Plot character markers
`plotarrow()`	✅	Plot arrow markers
`plotbar()`	✅	Plot bar chart
`plotcandle()`	✅	Plot candlestick chart
`plotshape()`	✅	Plot shape markers
`barcolor()`	✅	Set bar color
`bgcolor()`	✅	Set background color