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

Depends on Issue 174
https://code.google.com/p/dapper-dot-net/issues/detail?id=174

Conflicts:
	Dapper NET45/SqlMapperAsync.cs

Conflicts:
	Dapper NET45/SqlMapperAsync.cs