2.3.0-pre06

• Fixes #77 - Large hierarchical data sets are slow to parse
• Fixes #67 - OptionalAttribute is not honored for Hierarchical results
• Fixes #76 - DateTimeOffset can now be used like DateTime
• Fixes #86 - Developers can now choose not to clone database connections for every stored procedure call
• Gives solution to most common cause of #69 - Developers can execute Non-Query stored procedures dynamically, which prevents the connection from staying open.
• Fixes #87 - Adds options for specifying the object quotation syntax, so you can call procedures in non-Microsoft databases