Merge branch 'master' into lib-updates

Dapper.Rainbow/Database.cs

@@ -175,6 +175,11 @@ public Table(Database<TDatabase> database, string likelyTableName)
         private int _commandTimeout;
         private DbTransaction _transaction;
 
+        /// <summary>
+        /// Get underlying database connection.
+        /// </summary>
+        public DbConnection Connection => _connection;
+
         /// <summary>
         /// Initializes the database.
         /// </summary>
@@ -464,7 +469,7 @@ private bool TableExists(string name)
         /// <summary>
         /// Disposes the current database, rolling back current transactions.
         /// </summary>
-        public void Dispose()
+        public virtual void Dispose()
         {
             if (_connection.State != ConnectionState.Closed)
             {