getOption.Options: Gets an option
Description
Gets an option in the options tree structure or return a default value.Usage
## S3 method for class 'Options':
getOption(this, pathname=NULL, defaultValue=NULL, ...)
Arguments
pathname
A single or a vector of character strings specifying
      the paths to the options to be queried.
      By default the complete options structure i defaultValue
The default value to be returned, if option is
      missing. If multiple options are queried at the same times, multiple
      default values may be specified as a vector or a  Value
- If a single option is queried, a single value is returned.
   If a vectorof options are queried, alistof values are returned.
   For non-existing options, the default value is returned.