Providing few features of date functions. Like, add/substract days from date, date comparision and etc

The Library can do the following operations

• Add a number of days to a date
• Subtract a number of days to a date
• A date is greater than current date
• Number of days between two dates

Add a number of days to a date

dates_operation.add("2018-02-12",10);

@param from_date : date (yyyy-mm-dd or mm-dd-yyyy) @param number_of_days : int @return date (if valid param passed otherwise return string "Invalid Date")

*Subtract a number of days to a date

dates_operation.subtract("2018-02-12",10);

@param from_date : date (yyyy-mm-dd or mm-dd-yyyy) @param number_of_days : int @return date (if valid param passed otherwise return string "Invalid Date")

A date is greater than current date

dates_operation.isGraterThanToday("2018-02-12");

@param from_date : date (yyyy-mm-dd or mm-dd-yyyy) @return: boolean (if valid param passed otherwise return string "Invalid Date")

Number of days between two dates

dates_operation.numberOfDaysBetween("2018-02-12","2018-02-02");

@param date1 : date (yyyy-mm-dd or mm-dd-yyyy) @param date2 : date (yyyy-mm-dd or mm-dd-yyyy) @return: int (if valid param passed otherwise return string "Invalid Date")