AT Command UDF - for control AT Modems, send SMS, get SMS   Changelog: #cs 1.0.0 2020/10/03 . First version - Danyfirex + mLipok 1.0.1 2020/10/04 . Added - Function - _ATCmd_IsPINReady - Danyfirex . Added - Function - _ATCmd_IsPINRequired - Danyfirex . Added - Function - _ATCmd_IsSIMInserted - Danyfirex . Added - Function - _ATCmd_IsSenderSupported - Danyfirex . Added - Function - _ATCmd_OnPINReques - Danyfirex&