create_jpred_query: Create JPred REST interface parameters.
In MoseleyBioinformaticsLab/jpredapir: R Access to JPred API

Create a string with JPred parameters for job submission.

1 2	create_jpred_query(rest_format, file = NULL, seq = NULL, skipPDB = TRUE, email = NULL, name = NULL, silent = FALSE)

`rest_format`	Format for JPred REST interface.
`file`	File path to a file with the job input (sequence or msa).
`seq`	Alternatively, amino acid sequence passed as string of single-letter code without spaces, e.g. –seq=ATWFGTHY
`skipPDB`	Should the PDB query be skipped? (default = TRUE)
`email`	For a batch job submission, where to send the results?
`name`	A name for the job.
`silent`	Should the work be done silently? (default = FALSE)