- removed SetAuthorTimeFormat and updated SetAuthorsTimeFormat
- changed SetAuthorTimeSpent method
- added OrderAuthorsIssues method in Author.cs
- changed Entries time spent from string to int
- added int TimeSpent to Issue class
- implemented OrderIssues method in Issue.cs
- updated SetIssueTimeSpent and SetIssueTimeSpent methods
- updated SetTotalTime method in Report class
- removed comment from Timesheet.cs
- updated Template