Consistent Interface added to GsmMgr.

GSMParser/Inferfaces/IGsmSqliteDBConnection.cs

@@ -1,12 +1,9 @@
 using Microsoft.Data.Sqlite;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace GSMParser.Inferfaces
 {
     public interface IGsmSqliteDBConnection
     {
-        public SqliteConnection Database { get; }
+        void SetDatabaseInstance(SqliteConnection db);
     }
 }