Adding experiments aimed at using the keep function without needing to specify a vector of character strings
adding more trial updates, including an in depth description of error checking lines
Writing more versions (including a final version), checking logic on final version and documenting issues, adding in ability to handle character vectors if expressly requested, invisibly outputing updated namespace in case useful, and doing some error checking.
Deleting trials and writing the final version of the function, along with updated documentation
Updated documentation to reflect the new version
System-added stuff