Merge pull request #214 from maniserowicz/master

Fix for isolation levels not being used when creating transactions
Where polyfills now correctly handle where...in clause
Added Assembly attribute for ADO Provider assemblies
Fixing up MEF code to only check Simple.Data.* assemblies
Added WithOptions to allow Command Timeout and Identity Insert (SQL Server only)
Fixed problem with ConcreteTypeCreator in Medium Trust
Use system.diagnostics switches config section for trace levels
Automatically cast from SimpleQuery to collections and such where possible (issue #219)
Merge pull request #218 from RoyJacobs/where-in-fix

Where polyfills now correctly handle where...in clause
Don't use ApplyLimit with With clauses
Fixed joined table ordering issue (#221)
Release 0.18
Fixed SqlCompact40 nuget package
Fixes for issues #223 and #224
Pass schema name to CreateGetDelegate method
0.18.1
Fixed NotEqual operator in ExpressionFormatter
Removed MediumTrust app
Azure SQL Database SimpleTest for TeamCity
Added SQL CLR assembly