Implemented Issue #164 - child recordsets can now map to single records
Added test case for interfaces with shared transactions
FIXED Issue #171 - Wrapped provider did not unwrap bulkcopyasync calls
Added missing RegisterProvider call.

Just makes it easier to use.
Fixed Issue #174 - sql parameters should be case-insensitive
Implemented QueryXml extension methods for Issue #173.
Implemented Issue #175 - postgres db wrapper that automatically sets the
schema upon opening
Updated readme
Fixed Issue #127 - support multiple databases/providers at the same time
Fixed Issue #177 - open tests did not use app.config connection string
Merge pull request #2 from jonwagner/master

Sync up with the lastest code