* Add math median example and unit tests
* Update output of other all math ls command examples to keep consistent with math median output
* Fix output of math max example
* Update output of other math commands using pwd examples to keep data consistent
* Adding math docs
* Add some comments to calculate
* Remove redudant message
Message already shows up in subcommands list
* Added not working example
Accidentantly
* Remove table
* Converting average.rs to math.rs
* Making some progress towards math
Examples and unit tests failing, also think I found a bug with passing in strings
* Fix typos
* Found issue with negative numbers
* Add some comments
* Split commands like in split and str_ but do not register?
* register commands in cli
* Address clippy warnings
* Fix bad examples
* Make the example failure message more helpful
* Replace unwraps
* Use compare_values to avoid coercion issues
* Remove unneeded code
