New features or features improved shown as below:
1) Admin can correct the time or date which is in error in record.
2) When delete a User, it is not actually deleted, but disabled.
3) Sick leave, or Vacation can be half day on carry forword.
4) Send email to others by locaion or group.
5) Internal Email facility to Admin, when add an event.(not included)
6) History Records clean.
7) Database compact.

If you have any suggestion, let me know. I have one month to develop this coming new version.