Pass the dispatch_queue to Session#sendRequest method in order to spe…

…cify where the callback handler executes

Merge pull request ishkawa#150 from ishkawa/release/2.0.0-beta.3

Release 2.0.0 beta.3

Merge pull request ishkawa#148 from ishkawa/release/1.3.0

Release 1.3.0

Update CocoaPods items

Merge pull request ishkawa#144 from ishkawa/feature/update-readme

Documentation for 2.0

Update podspec

Merge pull request ishkawa#130 from ishkawa/feature/spm-support

Swift Package Manager support

Merge pull request ishkawa#113 from tarunon/fix/crash_view_ui_hierarchy

Fixed Xcode crashes

Update APIKit.podspec

Update README and podspec