NOTE: Assumes that s is ASCII as per IsASCIIText(), otherwise panics.

Returns true if s is a non-empty printable non-tab ascii character.

SplitAndTrim slices s into all subslices separated by sep and returns a slice of the string s with all leading and trailing Unicode code points contained in cutset removed.

StringInSlice returns true if a is found the list.

StringSliceEqual checks if string slices a and b are equal.