umpire_graph: Graph the called strike zone for an umpire
In BillPetti/fgrapher:

Graph the called strike zone for an umpire

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umpire_graph(umpire = "all", startdate = "2015-01-01",
  enddate = "2015-12-31", count = "all", stand = "R\",\"S",
  save = FALSE, path = getwd())

`umpire`	Umpire name or ID. Defaults to "all". WARNING: Leaving as all will make graph take a long time to create.
`startdate`	Start date. Defaults to beginning of 2015. Format yyyy-mm-dd.
`enddate`	End date. Defaults to end of 2015. Format yyyy-mm-dd.
`count`	Ball-strike count. Defaults to all. Input x instead of a number to get all counts; e.g. "3-x" for all 3-ball counts
`stand`	Batter handedness. Defaults to both.
`save`	Whether to save the graph. Defaults to FALSE
`path`	Where to save the graph. Defaults to the current working directory