Improved list of objects. Sorts by size by default. Adapted from https://stackoverflow.com/q/1358003/654296.
Arguments
- pos
- numeric. Position in the stack. 
- pattern
- Regex to filter the objects by. 
- order.by
- character. Either 'Type', 'Size', 'PrettySize', 'Rows', or 'Columns'. This will dictate how the output is ordered. 
- decreasing
- logical. Should the output be displayed in decreasing order? 
- head
- logical. Use head on the output? 
- n
- numeric. Number of objects to display is head is TRUE.