Implemented a simple generator of expression trees from closures.
Added a check for destination type being null
Added checking for difference in count of actual and expected arguments
Added type inference for expression trees
Added deregistration of event handler for changes in collection of members of current type
Fixed returning a nullable from closures.
Fixed assigning values to a nullable members performed in a constructor call with named arguments.
Added handling of conditional operator for value types
Added support for decimal literal (10dec, 0.2dec, 2.24dec)
Added DecimalLiteralExpression to list of types to include for Xml serialization