When DBType is set, and is DBType.Binary it should be send to the Database.
Otherwise we get an Exception when writing Null to a Binary Field on SQL Server
Fixed #175.
Fixed SelectMany/Update issue.
Updated test.
Updated version.
Updated Devart.Data.Oracle nuget.
Merge branch 'master' of https://github.com/igor-tkachev/bltoolkit

Conflicts:
	DataProviders/DevartOraclePro/BLToolkit.Data.DataProvider.DevartOracle.4.csproj
	DataProviders/DevartOraclePro/app.config
	DataProviders/DevartOraclePro/packages.config
	Source/Data/DbManager.cs
	packages/dotConnect.Express.for.Oracle.7.6.192/content/app.config.transform
	packages/dotConnect.Express.for.Oracle.7.6.192/content/web.config.transform
	packages/dotConnect.Express.for.Oracle.7.6.192/dotConnect.Express.for.Oracle.7.6.192.nuspec