Scan an Array of Token objects and apply any necessary Repeater tags to each token.
tokens - An Array of tokens to scan. options - The Hash of options specified in Chronic::parse.
Returns an Array of tokens.
token - The Token object we want to scan.
Returns a new Repeater object.
returns the next occurance of this repeatable.
returns the width (in seconds or months) of this repeatable.
[Validate]