Utility: String functions.

Functions
template<typename StringOutputIterator>
int	ads::split (const std::string &string, const std::string &separator, StringOutputIterator output)
	Split the string. Return the number of words.
void	ads::makeZeroPaddedExtension (const int n, int maximumNumber, std::string *ext)
	Make a zero-padded numerical extension. Useful for constructing file names.

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