When a Session.Cycle is null/0 exception happens

[alisinabh]

If a Sessions Cycle is 0 or null it means that session is not recurring

[alisinabh]

• Issue fixed for Java - by @mahditaherian
• Issue fixed for Swift
• Issue fixed for C# - by @hoseinisalim

[alisinabh]

@far2an please make necessary changes on swift time table and push package.
Thank you.