added Format Function
added interfaces.fs
modified Interfaces.fs
modified Interfaces.fs
modified Interfaces.fs
modified Interfaces.fs
modified Interfaces.fs
Merge branch 'develop' of https://github.com/Alllex/Schedule
Merge branch 'develop' of https://github.com/Alllex/Schedule
added export to Excel
export works!
modified export
export works!
small changes
Merge pull request #5 from Lozov-Petr/model

BugFix: check fields on null.
Merge pull request #7 from ladagagina/master

Excel Export
Move Interfaces.fs