RemoveElementsInt Return a new slice with elements in the `items` that are not in the `remove` slice.

ReverseMapIntToInt Converts mapping to a reversed mapping (a map where key becomes a value and vice-versa).

SliceToMap Converts a given slice of Requests to a map where key is Request.Id and values are corresponding requests.

SplitToBulks Converts a given slice of Requests to a slice of slices of Requests of a given size.

SplitToBulksInt Converts a given slice of ints to a slice of slices of ints of a given size.

WatchFile Does nothing, but constantly opens and closes file at the given path.

NonUniqueIdError error object returned if SliceToMap() receives slice of Requests with non-unique Id fields.