Add XML comments to NpgsqlConnectionStringBuilder properties.
Fixed an issue where Time was being created as DateTime
fix some bugs when throwing ArgumentOutOfRangeException

Some fixups by roji

Conflicts:

	src/Npgsql/NpgsqlCommand.cs
Added #if against LinqBridge

In some cases the conditional csproj compilation rule for
.NET 2.0 only did not work, added #if NET35 to reinforce
update from upstream - issue #116 Tests