* .get() already checks for the argument, don't need to use .has() as well
* Supplying the month-names flag should also cause the months column to show up, it should not require the -m flag first
* Add support to allow the week day start in cal to be configurable
* Fix variable name
* Use a flag instead of a configuration setting for specifying the starting day of the week
* Calculate the quarter directly
* Group some data together, remove attribute to ignore Clippy warning
* Group items into structs and add methods
* Updates to cal command
* Update cal.rs
* Update cal.rs
Co-authored-by: Jonathan Turner <jonathandturner@users.noreply.github.com>
* Don't include year and month by default, adds an option to display the quarters of the year
* Add a test for cal that checks that year requested is in the return
* rustfmt the cal tests
* Add cal command
* Fix docmentation to show commands on two lines
* Use bullet points on flag documentation for cal
* Dereference day before calling string method
* Silence Clippy warning regarding a function with too many arguments
* Update cal flag descriptions and documentation
* Add some tests for the cal command
