2007-03-24 Antonello Provenzano * Enumerable.cs: Migrated from QueryExpression - Implemented overload of method Aggregate - Method AsEnumerable implemented - Method Contains overloaded - 'Distinct' method refactored and overloaded - 'Except' method refactored and overloaded - Method IndexOf overloaded to be used with IEqualityComparer instances - Method Join overloaded to be used with IEqualityComparer instances - Method GroupJoin overloaded to be used with IEqualityComparer instances - Implemented internal method ToReadOnlyCollection for support to expressions. 2007-02-16 Marek Safar * Enumerable.cs, Queryable.cs: Remove Extension attribute. 2007-02-03 Atsushi Enomoto * IQueryable_T.cs : fixed type/member signatures (generic arguments). 2007-01-19 Marek Safar * QueryExpression.cs, * Enumerable.cs: New files. * Small update to recent version. 2007-01-19 Marek Safar * ChangeLog: Added