Mention PostgreSQL

It seems worth mentioning explicitly if Dapper works with PostgreSQL or not. I assume it does based on the remark that "it works across all .net ado providers", but am not sure because it's not mentioned explicitly...

Allow passing an IDictionary<string, object> as parameter object

Allows use of IDictionary<string, object> as parameter objects.
I'm assuming that the && was a mistake, and that this logic should
handle both of the types equally well.
Also allows .NET 3.5 to use the IDictionary case.

Revert "Escape column names"

Merge branch 'FixDbStringList' of https://github.com/maurocerutti/dapper-dot-net into maurocerutti-FixDbStringList

Conflicts:
	Dapper NET40/SqlMapper.cs

Fixed regression with sproc tests

Merge branch 'AsyncCrud' of https://github.com/AdamAtDotNet/dapper-dot-net into AdamAtDotNet-AsyncCrud

Added async/await to Dapper.Rainbow - .Net 4.5 Hooray \o/

Merge branch 'arbitrary-multi-maps' of https://github.com/Polylytics/dapper-dot-net into Polylytics-arbitrary-multi-maps

Conflicts:
	Dapper NET45/SqlMapperAsync.cs

Merge branch 'arbitrary-multi-maps' of https://github.com/Polylytics/dapper-dot-net into Polylytics-arbitrary-multi-maps

Apply recent changes (output callbacks)

Conflicts:
	Dapper NET45/SqlMapperAsync.cs

Issue 138: FSharp.Core references, plus fix up a prompt on Dapper.Contrib.Tests

Project URL updated to point at github

Escape column names

Investigate issue 157 (unable to reproduce) - but also found and fixed i...

Investigate issue 157 (unable to reproduce) - but also found and fixed issue with subsequent query if reader not fully closed down

Fix detached head

Avoid type-name conflicts causing cache conflicts (makes the cache per-T; also avoids locking on the happy-path)

Added support for expression-based output parameter setting