Verbose -- an optional argument

Functions with optional argument named Verbose:

• check(...,Verbose=>...) -- see check -- perform tests of a package
• copyDirectory(...,Verbose=>...) -- see copyDirectory(String,String)
• copyFile(...,Verbose=>...) -- see copyFile(String,String)
• findProgram(...,Verbose=>...) -- see findProgram -- load external program
• installPackage(...,Verbose=>...) -- see installPackage -- load and install a package and its documentation
• moveFile(...,Verbose=>...) -- see moveFile(String,String)
• runProgram(...,Verbose=>...) -- see runProgram -- run an external program
• symlinkDirectory(...,Verbose=>...) -- see symlinkDirectory(String,String) -- make symbolic links for all files in a directory tree