Rely more on modules?

[markfairbanks]

Instead of using str_ and dt_ prefixes maybe we should do:

import tidypolars.stringr as str

df.mutate(x = str.trim(col('x')))

import tidypolars.lubridate as ld

df.mutate(x = ld.as_date(col('x')))

[mjkarlsen]

I like it!