Function to clean gmacs output files in a folder specified by path.
By default, this is the current working directory.
clean_bat(path = ".", verbose = TRUE)character string or file path representing root (default: ".")
(TRUE/FALSE) flag to print file names being deleted
nothing
Deletes files matching "admodel.\*","\*.bar","\*.eva",
"fmin.log","\*.log","\*.std","gradient.\*",
"\*.r0\*","\*.p0\*","\*.b0\*","derivatives",
"ders.dat","mcout\*.\*","checkfile.rep",
"personal.rep","gmacs_in.\*","gmacs_files_in.dat",
"\*.exe".
[clean_files()]