Added basic Sample Application, displays current weather for several cities using the openweathermp.org API.
Tweak sample, add App Settings and api key support
Add ability to add new cities to the list
Switch to IUTableViewControllers, add delete city support.
Quick Help for NTApiClient and Request.
NTApiError quick help
add macros o avoid warnings
NTApiArg Quick Help
Move class files, add documentation and update podspec
Merge branch 'feature/cocoapods-prep' into develop