Master - #311

CanCancel test fix

Rename create methods

Remove xUnit dependency by internalizing assert source

…t with an already canceled CancellationToken. This would happen whenever an IObserver<T>.OnNext would dispose its subscription within a call to OnNext. The built in AnonymousAsyncEnumerator<T> checks whether it's already disposed, however, not every user code might handle canceled tokens that gracefully. Also, the continuation of MoveNext will not scheduled anyway.

… disposed and MoveNext is not called after subscription is disposed.

Return null lifetime to prevent gc issues on appveyor

ToObservable: Do not call MoveNext with an already canceled CancellationToken

Lock free MultipleAssignmentDisposable

Just in case I'm not the only one that was confused as I was in #242: link to nuget package page from package name.

Include links to nuget

…put dir

Ix optimizations

Fix WithLatestFrom potential memory visibility issues

…onfig covers those already

Join fix

…xtensions.ToTask.

Reduce number of allocations (closures, delegates) in TaskObservableExtensions.ToTask

Hotfix to reduce dependencies for net45

If a class like AsyncEnumerableQuery implements
IOrderedAsyncQueryable<T>, it does not automatically implement
IOrderedAsyncQueryable<T>, which can be a problem within untyped code.

Let IOrderedAsyncQueryable<T> implement IOrderedAsyncQueryable