When using the FluentColumnFamily.CreateColumn, columns that don't ha…

…ve named schemas are now given one using the Column Family's default validator. If the default validator is not set, then FluentCassandra falls back to using BytesType as the default ValueType.

src/FluentColumnFamily.cs

@@ -189,7 +189,7 @@ private CassandraColumnSchema GetColumnSchema(object name)
 			if (colSchema != null)
 				return colSchema;
 
-			return new CassandraColumnSchema { NameType = schema.ColumnNameType, ValueType = typeof(BytesType) };
+			return new CassandraColumnSchema { NameType = schema.ColumnNameType, ValueType = schema.DefaultColumnValueType ?? typeof(BytesType) };
 		}
 
 		/// <summary>