add_CPUE: Add a q setup line into an SS control file
In ss3sim: Fisheries Stock Assessment Simulation Testing with Stock Synthesis

Description Usage Arguments Value Author(s)

This function adds a q setup line to an SS 3.30 control file

add_CPUE(ctl.in, ctl.out = NULL, overwrite = FALSE,
  q = data.frame(fleet = 3, link = 1, link_info = 0, extra_se = 0,
  biasadj = 0, float = 0, LO = -20, HI = 20, INIT = 0, PRIOR = 0, PR_SD =
  99, PR_type = 0, PHASE = 1, env_var = 0, use_dev = 0, dev_mnyr = 0,
  dev_mxyr = 0, dev_PH = 0, Block = 0, Blk_Fxn = 0, name = NULL))

`ctl.in`	An SS control file name to read in.
`ctl.out`	The SS control file to read out.
`overwrite`	Logical. Overwrite an existing file with the same name as `ctl.out`?
`q`	a dataframe containing the q parameter lines to add.