Merge pull request #1 from InstaSharp/master

Refactor, removing optional parameters.
Merge pull request #2 from InstaSharp/master

Refactor. Method overload instead of optional parameters
Merge pull request #3 from InstaSharp/master

by @damiangreen. Added Time limit head information to base Response class
Merge pull request #4 from InstaSharp/master

Real Time API
Merge pull request #5 from InstaSharp/master

Meta Code as HttpStatusCode
Merge pull request #6 from InstaSharp/master

Update
Merge pull request #7 from InstaSharp/master

Refactor
Merge pull request #8 from InstaSharp/master

NuGet
Merge pull request #9 from InstaSharp/master

Build Fixes
Merge pull request #18 from damiangreen/master

Enforce Signed header functionality
Merge pull request #10 from InstaSharp/master

Enforce Signed header functionality
Refactor
WP 8.1
Merge pull request #11 from InstaSharp/master

Refactor
Merge pull request #19 from fujiy/master

PR
Renamed UnsubscribeUser to RemoveSubscription