Update to v.0.5.0.
- Changed the logic of Ind.
- CAct: refactored from a class to a structure.
- Fixed an error with sequential message output in Echo.
- Change the logic of subroutine initialization of subprogram (was inconvenient for the user). Created the initsupp class for initialization.

Update to v.0.4.0.
-Added the ability to terminate subprogram.
-Echo controller: added sequential output of custom messages.
-Fixed a lot of errors in performing actions with frequency, deferred actions, and working with them.

First public!
Update to v.0.3.12.
- Fixing major bug in actions management.

Initialising NELBRUS v.0.3.10.