Send Empty dictionary instead of nil.
Updating library
Fixing for xcode 5.1
Fixing for 5.1
Has to be strong, otherwise it'll get released by arc.
Adding timeout header.
Adding tests
Fixing header to be a string.
Merge branch 'master' into crash

Conflicts:
	kidozen.client/kidozen.client.xcodeproj/project.pbxproj
	kidozen.client/kidozen.client/KZDatasource.m
	kidozen.client/kidozen.client/KZHTTPRequest.m
	kidozen.client/sdk.integration.tests/datasourcetests.m