removed deprecated members
removed DbConnection extension methods
removed SqlSet constructors that take TextWriter

if you need profiling use Database
moved xml related functionality to Xml subnamespace
added #23: Support Select in SqlSet without specifying a result type
added #17: Support for Enum properties that map to text columns
removed xml mapping

probably no one used it, does not depend on the other components,
depends more on System.Xml than System.Data, makes more sense on an
xml-related library
added #15: SqlSet.Include function for query expansion
added SqlSet.Find method
SqlSet.Include fix
simplified SqlSet clone constructors and made all protected members internal
fixed #18: Insert one-to-one associations
improved #6: SqlBuilder.Append(SqlBuilder) and SqlBuilder.JoinSql generate unnecessary extra whitespace
renamed SqlTable's Delete, DeleteKey and DeleteRange to Remove, RemoveKey and RemoveRange
removed Insert and InsertRange overloads with *deep* parameter

added DatabaseConfiguration.EnableInsertRecursion property to control
recursion
renamed SqlTable's Insert and InsertRange to Add and AddRange
removed .net 3.5 support
removed SqlSet.Union
documentation
code formatting