getEmployeesByManager(manager) Function

• This function will provide an array of "employee" objects whose employeeManagerNum property matches the department parameter (ie: if manager is 14 then the array will consist of only employees who are managed by employee 14 ) using the resolve method of the returned promise.
• If for some reason, the length of the array is 0 (no results returned), this function must invoke the reject method and pass a meaningful message, ie: "no results returned".

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getEmployeeByNum(num) Function

• This function will provide a single of "employee" object whose employeeNum property matches the num parameter (ie: if num is 261 then the "employee" object returned will be "Glenine Focke" ) using the resolve method of the returned promise.
• If for some reason, the length of the array is 0 (no results returned), this function must invoke the reject method and pass a meaningful message, ie: "no results returned".