hytek_swim_parse
Sort data in lists of length 4 within hytek_swim_parse
hytek_length_4_sort(x, time_score_specials_string = Time_Score_Specials_String)
returns a formatted data frame to be combined with others to make the
output of hytek_swim_parse
a list of lists with all sub-lists having length 4 strings
a regex string for matching results - i.e. times, diving scores and 'specials' like DQ