Prepare 0.5.0 release

[Aeilert]

• Bump version
• Fix URL bug
• Bump roxygen2 version

[ohjakobsen]

@Aeilert: We need to add @return/@returns and @examples to all exported functions before submitting. Most other checks seem to be OK for the moment. See this page for details.

[ohjakobsen]

I've added examples and return values to exported functions and have fixed a couple of bugs. @Aeilert: can you go through a last time to check if we have missed anything?

[Aeilert]

I've added examples and return values to exported functions and have fixed a couple of bugs. @Aeilert: can you go through a last time to check if we have missed anything?

Hi @ohjakobsen. I made a few minor changes in the documentation, particularly to standardise how examples are written across different functions. I also converted the run_pioneer() example to a dontrun{} variant. The main reason for this is that the app would spin up when running devtools::run_examples() making a bit tricky to check all the examples in a simple manner.

Otherwise I think everything looks good. :)

[ohjakobsen]

CRAN might balk at \dontrun, but I agree in principle. Let's go for submitting the package!

[ohjakobsen]

pioneeR has been accepted and published on CRAN!