Use ThrowIfCancellationRequested
Cancel our tasks early if we get the chance
WHY IS THIS NOT THE DEFAULT OMFG
Add NuGet EXEs
Add a NuSpec file and a make command to create a NuGet package
Merge pull request #28 from paulcbetts/clean-up-cancellation

Clean up cancellation
Fix up license URL
Version bump to 1.1.0
Lower the Max version on the Android Playground app to 4.0.3
Fix Makefile derps
Added headers for the HttpContent, provides access to Content-Type header.
Merge pull request #29 from ChuckPinkert/addContentHeaders

Added headers for the HttpContent, provides access to Content-Type heade...
Optionally, throw an exception if we detect we're being redirected off-domain
Return the response headers on Android
Make sure iOS is also printing headers
Merge pull request #30 from paulcbetts/response-header-fixes

Response header fixes