Query returning empty results should not throw exception

Inclusive/Exclusive Where Clauses and Intersect

Add mapping for query fields containing underscores to properties with the same name without underscores

IsConsumed bool field for MultiQuery

It does not look like we need above if since we are typecasting value to...

Added method to use AnsiString as Default

Removing xapfest.com from Readme

https://code.google.com/p/dapper-dot-net/issues/detail?id=57

Seems to me like xapfest.com domain is dead so removing it from Readme file

Update Tests.cs

PostgreSQL syntax error - insert into tcat(breed, name) values(:breed, :name)

AmbiguousMatchException with multiple indexers

An AmbiguousMatchException is encountered when the Type.GetProperty(String, BindingFlags) method is used and there are multiple indexers on the type, so it was replaced with a call to Type.
GetProperty(String, BindingFlags, Binder, Type, Type[], ParameterModifier[]).

Added two new features:  OrWhere extension for combining where clauses in an inclusive vs exclusive context (Or vs And) and Intersect extension.