steven-rusk

> Hi, What is the reason for this PR? [Modules should generally](https://nf-co.re/docs/guidelines/components/modules#optional-command-arguments) just use `task.ext.args` to pass optional arguments directly to the tool. @SPPearce The reason for this PR is...

> Yes, `task.ext.args` is typically just a string (there is one module I can think of which passes it as a list, but that is non-standard). The type checking is...